An anonymous reader shares a report from The Conversation, written by Hatim Sharif, a civil and environmental engineer who has "spent more than two decades staring at maps" and spatial data. Sharif finds one connection especially fascinating: the link between spatial reasoning and why taxi drivers seem to have lower rates of Alzheimer's. From the report: Taxi and ambulance drivers are less likely than workers in almost any other job to die of Alzheimer's disease. That was the surprising result of a 2024 study examining the death certificates of nearly 9 million people in the U.S. [...] Of the 9 million death certificates from January 2020 to December 2022 that researchers examined, taxi and ambulance drivers had the lowest risk of dying from Alzheimer's disease out of 443 occupations. After adjusting for age, sex, race, ethnicity and education, roughly 1 in 100 taxi and ambulance drivers died of Alzheimer's, compared with 1 in 60 people overall. This pattern did not extend to other driving jobs. The researchers concluded that the key to reducing the risk of Alzheimer's was not driving itself but continuous real-time navigation: the constant work of locating yourself in space, tracking a destination and updating a mental map as conditions change. Drivers whose jobs relied on fixed or predetermined routes, like bus drivers and aircraft pilots, didn't seem to experience a similar advantage. Researchers believe the association between navigation-heavy work and lower Alzheimer's risk centers on the hippocampus, a part of the brain that governs memory and spatial navigation. It's one of the first brain regions that Alzheimer's damages: Problems with spatial navigation and orientation are among the earliest signs of the disease, sometimes surfacing before obvious memory loss. In one landmark 2000 study, neuroscientists compared the brains of licensed London taxi drivers with those of people who did not drive cabs. Their findings provided the first evidence via structural imaging that regions of the adult brain can measurably change under sustained navigational demand. To earn a license, London cabbies must memorize more than 25,000 streets within a 6-mile radius of Charing Cross, a challenge known as "The Knowledge" that takes three to four years. The researchers found that London taxi drivers had measurably more gray matter in the posterior hippocampus, a brain area tied to storing large-scale spatial maps. That volume tracked with experience: The longer someone had driven, the larger that part of the brain. The change was built through practice, not inherited. While people who are good at navigation might gravitate to this kind of job, the job itself does have an impact on the brain. Together, these two studies make a coherent case: Work that intensively exercises the hippocampus may reshape it, and that reshaping may protect against one of the most feared diseases of aging.

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Longtime Slashdot reader AmiMoJo shares a report from Electrek: Waymo co-CEO Dmitri Dolgov laid out the clearest technical case yet for why cameras alone can't take a self-driving system to full autonomy, arguing that "weak sensing" hits a safety ceiling long before it reaches superhuman performance. [...] Dolgov made the comments in a talk at Y Combinator's Startup School, walking through the lessons Waymo has learned building its driver over close to two decades. He put the sensor question on the table plainly: "there's been a long-standing debate about what kind of sensors do you actually need for autonomous driving." His answer draws the line that camera-only advocates tend to skip right past. "Humans of course can drive with just eyes, so there's that proof of existence," he said. "If the goal were to just approximately match human performance or to build an assist product, that's a very reasonable way to go." Then the catch. If you're targeting full autonomy and strongly superhuman performance, he said, "you find that weak sensing just leads to a safety curve that flattens out way too early." Dolgov said that cameras, lidar, and radar are complementary rather than redundant: "These different sensing modalities, they're not backups to each other," and combining them produces a view "vastly superior to what you get with any one sensor." He said multiple sensor types also protect against physical failures, such as a leaf or branch blocking a camera, while helping Waymo climb the "exponential ladder of nines" required for fully driverless safety. Dolgov warned that camera-only systems may improve quickly before plateauing "way before the performance that is required by your product." He also pushed back on the cost argument against lidar, calling it "a number that has a fairly short shelf life" as hardware costs continue to fall.

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To design invisible drones, researchers have tried camouflage, transparent materials and light-bending optical systems. But engineers at Northwestern University used "motion blur," which an announcement from the school notes is the effect that makes fast-spinning fans seem to disappear. "The drone spins up to 25 times per second, which is too fast for the human eye to see clearly. While it isn't completely invisible, it morphs into a ghostly smudge that seamlessly blends into the background... " To design the drone, the Northwestern team first used a computational model to generate roughly 20,000 drone configurations capable of stable flight. Then, they used artificial intelligence (AI) and optimization algorithms to repeatedly rearrange the drones' major components, including a motor, propeller, circuit board, counterweight and batteries. After sifting through many different configurations, the algorithms determined the ideal placement of the drone's components to minimize its visibility from virtually every viewing angle while allowing for stable flight. After selecting promising candidates, the engineers simulated each drone spinning in flight and overlaid those images a hundred real-world backgrounds. Then, they used a perception model that approximates human vision to determine how noticeable each design appeared. Designs that blended into their surroundings received lower visibility scores. The team selected the 500 lowest-scoring designs and applied the optimization algorithm, which repeatedly adjusted the positions of components to further minimize those scores. "The design process was fully automated," [said Northwestern's associate CS professor Michael Rubenstein, who led the work]. "Then, when we were confident that a drone met all our criteria, we built it." They've named the drone "Phantom Twist"," and plan to design future iterations with more transparent materials or quieter propulsion to make it even less noticeable. The Northwestern team presented the work on July 16 at Robotics: Science and Systems 2026 in Sydney, Australia... Thanks to long-time Slashdot reader fahrbot-bot for sharing the news.

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Electric vehicles have historically been "notorious" for losing their resale value, reports CNBC. But this year prices for used EVs in the U.S. "are up 5.1% from January to June 2026, according to a Recurrent analysis published this month." The trend continued into the second half of the year: Prices are up 7% year to date through mid-July, it said. Recurrent compared EVs according to the same make and model year across 108 combinations and weighted price growth according to inventory volume. "Used EVs are appreciating, which almost never happens," according to an e-mailed Recurrent statement about the analysis. Other auto analysts found a similar trend... Price growth for used EVs has been broad-based, said Stephanie Valdez Streaty, the director of industry insights at Cox Automotive, a market research firm. Twenty-one of the 25 used EV models with the highest sales volume increased in price between January and June this year, she said... [T]he price growth for used EVs this year has been all the more surprising because it has happened despite a high supply of used EVs hitting the market — which, all else being equal, would generally cause prices to fall, experts said... There are several factors juicing consumer demand for used EVs, experts said. Among them are high gasoline prices due to the Iran war, which have pushed more consumers to consider fuel-efficient options, experts said... Overall affordability is another big factor, against a backdrop of inflation that has remained above policymakers' target of 2% for five or so years, auto experts said. The dynamic has pushed more consumers toward the used car market more broadly. Two interesting statistics from the article: "Used EV sales were up 20% in June versus a year earlier, while sales of new EVs were down about 28%, according to Cox Automotive data." New EVs accounted for 5.4% of total new-vehicle sales in June, while the market share for used EVs was just 2.4%, according to Cox Automotive data.

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An anonymous reader quotes a report from Reuters: Amazon's Zoox unit has won U.S. approval for limited commercial deployment of its novel steering-wheel-free robotaxis, a first for the autonomous ride industry, the U.S. auto safety agency said on Thursday. Zoox said that the National Highway Traffic Safety Administration's decision gives the company federal approval to begin charging for rides, and that it will soon begin charging for service, first in Las Vegas, with additional markets to follow as it completes various state requirements. [...] NHTSA Administrator Jonathan Morrison told Reuters that Zoox had received clearance to commercially deploy up to 2,500 vehicles in each of the next two years. Zoox currently carries passengers in parts of Las Vegas and San Francisco as part of testing. The exemption would allow Zoox to charge them fees, subject to state and local approvals. The agency said it determined the vehicle is as safe as an equivalent vehicle meeting federal motor vehicle safety standards that are being waived. Zoox cannot sell any of the vehicles to the public. "We can say pretty clearly that the systems in place on the Zoox exceed the equivalent performance requirements of a compliant vehicle," Morrison said in an interview. "But we still want to make sure that the automated driving system will operate appropriately." As part of the exemption, NHTSA is placing additional reporting requirements on Zoox for issues such as crashes or stopping inappropriately on roads, and the regulatory agency will adjust the conditions based on how the vehicles behave. "We have the ability to pull the exemption if we see major safety issues," Morrison said. All remote operators must be located in the United States, NHTSA said, and Zoox must publish maps of areas indicating where the vehicles are operating. Morrison said NHTSA expects to develop the first federal safety standards for automated driving systems by the end of the Trump administration. It is also proposing to overhaul some existing rules written with human drivers in mind such as requiring brake pedals and rear-view mirrors.

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Qantas completed a record-breaking 24-hour, 24-minute test flight from Melbourne to Toulouse on Tuesday. "The specially adapted A350-1000ULR airliner is due to debut with the Australian carrier's nonstop Sydney-London route from 2027," reports The Guardian. From the report: Tuesday's flight is thought to be the longest ever by a commercial plane, beating the previous record of 22 hours and 42 minutes set by a Boeing 777-200LR in 2005 between Hong Kong and London via the Pacific in 2005. Flight-tracking provider Flightradar24 said the trip was the second-most-tracked flight ever on its channels -- behind a 2022 flight carrying Queen Elizabeth II's coffin -- with more than 3.6 million people following its progress northwards via Canada. Qantas has ordered 12 modified A350-1000ULR aircraft, designed to connect Australia's east coast with London and New York in about 20 hours.

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Ford will become the first automaker to embed Apple Maps directly into its vehicles, starting with an all-electric midsize pickup built on its new Universal Electric Vehicle platform. "The pickup -- with Ford testing preproduction models on roads now -- is expected to start at $30,000 when it comes to market in 2027," reports the Detroit Free Press. "Ford has said several other EVs off that platform will follow, including a small all-electric SUV." From the report: Ford CEO Jim Farley said the new EVs will redefine advanced technology as simple, useful, and at a price point that is attainable for most people. "We're proud to embed Apple Maps' navigation and mapping technology directly into our Universal Electric Vehicle Platform, giving customers the ultimate navigation experience alongside our Ford app, a full suite of software, and next-generation BlueCruise, all enabled by a new zonal architecture," Farley said in a statement. "Apple Maps has delivered a world-class product, and we're honored to be among the first to embed it directly into a vehicle, helping define intuitive, capable driving." In a joint statement, Apple and Ford said the integration will deliver a "beautiful and easy-to-use navigation experience powered by Apple Maps directly to the vehicle's displays. Road-level Maps information will also enable Ford's Latitude AI team to build a seamless hands-free driving experience." Ford said it will use that road information to develop its next-generation BlueCruise hands-free highway driving capability. Also, by leveraging Apple's new MapKit for Automotive SDK, Ford's UEV Platform will offer drivers turn-by-turn directions using natural language, real-time traffic information, intuitive search and routing options for the best route. The system will give drivers EV routing functionality to help drivers with the warming and cooling process of the vehicle's battery before driving or fast-charging.

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"General Motors has been pulling a Tim Cook and boosting its software and subscription business," reports Business Insider. During the automaker's Tuesday earnings call, executives said they're increasingly leaning on software subscriptions like OnStar and Super Cruise to generate high-margin recurring revenue long after customers buy their vehicles. GM says OnStar brought in about $800 million in the second quarter, while Super Cruise revenue grew about 70% year over year. From the report: GM says its software business keeps roughly 70 cents of every dollar it brings in. That's a rare level of profitability in the auto industry, as many car sales generate just four to 10 cents per sales dollar. [...] GM expects to add about 1 million OnStar subscribers this year, bringing the total close to 13 million. Super Cruise, GM's hands-free, eyes-on driving system, is growing even faster. GM added about 70,000 subscribers during the quarter and expects to end the year with more than 850,000. Revenue from the service increased about 70% from a year earlier. And a lot of drivers are sticking around after the free period ends. GM said between 30% and 40% of eligible owners continue paying after their included three-year Super Cruise subscription expires. [..] "We do think we have tremendous levers, multiple levers of growth," Barra said on the call. "We definitely think there's a lot of opportunity at GM to grow, improve margins, and become less cyclical." "Software and services are becoming increasingly important to how customers experience GM vehicles and how we deliver value beyond the initial purchase," a spokesperson previously told Business Insider. "As vehicles become more software-defined, we can introduce new digital experiences through updates and optional services rather than hardware changes."

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Tesla says it is launching its Robotaxi service in Orlando and Tampa, though it has not shared fleet sizes or whether customers can immediately hail rides. The Verge notes the announcement lands on Tesla earnings day and comes as the company's robotaxi rollout remains far smaller than Elon Musk previously projected, with tracker data showing only a small number of unsupervised vehicles operating in existing cities. From the report: [B]ack in May, Tesla had five unsupervised robotaxis in Dallas, six in Houston, and 29 in Austin. As of today, there are only 17 unsupervised vehicles in Austin, four in Dallas, and zero in Houston, according to the Robotaxi Tracker. By comparison, Waymo is estimated to have over 3,500 fully driverless vehicles in operation across over 10 cities. Like Waymo, Tesla typically introduces robotaxis to a new city with a safety driver behind the wheel. Unlike Waymo, sometimes Tesla moves that person over to the passenger seat with access to a kill switch should anything go wrong. The company has been inconsistent in how it rolls out its robotaxis to new markets. The numbers go up and down, with zero explanation from the company as to why. [...] By adding new cities, Tesla is clearly trying to sell investors on the idea that its robotaxi project is growing. But the fluctuating fleet size, inconsistency in supervised vs unsupervised vehicles, and long wait times tell a very different story.

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"If tired or wasted passengers fall asleep in a traditional taxi or rideshare, the driver can shout or shake them awake," reports Bloomberg. "Not so in a robotaxi..." Ditto Kasendar remembers soft music drifting from the robotaxi's speakers as he rode home late at night from a friend's birthday party in 2025. The next moment, Los Angeles firefighters were opening the door and asking if he was OK. His six-minute trip had ended nearly an hour before. A remote Waymo assistant, dialling in through the car's speakers, repeatedly tried to rouse him and finally called 911 when he wouldn't stir... Kasendar's robocab nap was, unfortunately, not an isolated incident. As companies like Alphabet and Tesla bring self-driving taxis to more cities, the messier aspects of serving unpredictable humans are becoming harder to ignore. Passengers are falling asleep, spilling drinks, dropping food, vomiting, experiencing medical emergencies and, in at least two instances, giving birth in the cars. They stumble out of the vehicles and forget to close the doors, forcing the operators to pay nearby gig workers to do it. These seemingly minor nuisances are becoming a drain on municipal resources and complicating the roll-out of robotaxi service. So many robotaxi customers have nodded off in the midst of a ride that Austin police and firefighters even have a name for the incidents: "sleepers". The Texas capital recorded 99 such calls in Waymo's first nine months of service there, said Roger Patterson, a commander with Austin-Travis County Emergency Medical Services... Remote assistants monitoring the cars try talking through the speakers and checking on passengers with interior cameras. But if they get no response, company protocols often require them to call 911. And first responders have to assume the worst. Austin dispatchers treat an incident as a potential heart attack if the remote assistant can't tell whether the passenger is breathing, Patterson said. In the end, only about 3% of such calls require transporting the passenger to a hospital, he said. But the incidents tie up personnel who might be needed elsewhere.

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Solar car maker Aptera has "officially announced a repair network partnership which will give owners of its upcoming solar electric car access to thousands of repair shops nationwide," reports Electrek: We recently got a chance to drive the Aptera solar EV and tour the company's factory, and came away both impressed at the progress that has been made, but cognizant of the long road ahead for the company. One question that often gets raised in reference to EV startups is how owners get service on their vehicles, especially those from a small company... So to waylay those fears, Aptera announced a partnership today that unlocks access to 4,300 service shops across the US, through a company called RepairPal. Aptera had been working on this partnership when we saw them at our factory tour, but today they're ready to officially announce it. RepairPal doesn't own its own shops, but instead certifies local shops to work on particular models of car... All shops will get access to Aptera-specific service procedures.

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CNBC reports: The automotive industry's increasing use of over-the-air technology to update vehicle systems makes it more susceptible to cyberattacks, analysts say, urging more intervention in the sector... Its use represents "a unique national security concern," Gabriel Lim, senior analyst at the S. Rajaratnam School of International Studies in Singapore, told CNBC. "Aside from data privacy concerns, the potential of a foreign actor sabotaging the controls of a moving vehicle is a possibility that countries like Norway, Denmark, and Britain have expressed concerns about," Lim added. In May, the American Enterprise Institute warned that safeguarding the automotive sector was crucial to limit foreign governments' espionage capabilities. "To protect against foreign espionage threats, the US should consider additional security reviews, implement restrictions on certain foreign-made hardware and software in vehicles, and mandate increased data-collection disclosures," the report said. The concerns come as real-life tests reveal vulnerabilities. Late last year, Norwegian bus company Ruter conducted tests on two buses and found that one had potential risks linked to OTA technology. "There is access to the control system for battery and power supply via mobile network through a Romanian SIM card. In theory, therefore, this bus can be stopped or rendered inoperable by the manufacturer," the company said. The investigation by Ruter then sparked the U.K. and Denmark to conduct their own investigations... While these investigations were conducted on buses made by Chinese firm Yutong, [Siraj Ahmed Shaikh, systems security professor at the UK's Swansea University] said the issue goes beyond one manufacturer or country, as the technology becomes more pervasive. "Other sectors adopting OTA include other transport modes [such as] maritime and rail, aerospace (particularly drones), industrial machinery and robotics," he said.

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Last year just 0.6% of new vehicles made for U.S. customers were stick shifts, reports the Washington Post, citing preliminary government data. "That's a precipitous drop from the 34.6 percent of vehicles with manual transmissions produced in 1980." [T]he stick shift's popularity hit multiple new lows in recent years, with no signs of a turnaround, thanks to new technologies and a rapidly changing marketplace. Buyers and automakers increasingly have turned to the sophisticated automatic drivetrains that now smoothly swap gears in fractions of a second and with better fuel efficiency. The average new vehicle today comes with seven gears, thanks to computers, twice as many as in 1980 and more gears than any ordinary driver would want to shift through using a manual gearbox. At the same time, sporty cars — the kind that buyers might demand a stick shift to drive — have fallen out of favor, replaced by interest in hulking SUVs, which are almost always automatics. The stick shift's demise has been hastened, too, by the rise of electric vehicles and increasingly autonomous vehicles. Neither have any need for a manual transmission... Europe has seen a less dramatic decline in stick shifts, with manual transmissions dropping from 91 percent of car registrations in 2001 to 29 percent in 2024 among Europe's largest auto markets, according to industry analyst JATO Dynamics... Subaru made its name with manual cars. But the Japanese automaker stopped offering a manual Crosstrek with the 2023 model year, having already dropped that transmission from its Legacy, Outback and Forester models. Other automakers have followed the same path. Volkswagen announced that it plans this year to ditch its last U.S. stick-shift model, the Jetta GLI. Even Toyota, Honda, and BMW have all reduced the number of cars for the U.S. market with a manual transmission, the article points out — leaving stick shift-loving Americans with a total of about 24 new-vehicle models to choose from. The articles adds that only 60% of Americans know how to drive a manual transmission (according to a survey from auto parts retailer AmericanMuscle): 83% for baby boomers but 39% for Gen Z. "Respondents were about evenly split on whether knowing how to drive a manual is an important life skill." But Ford CEO Jim Farley said earlier this year he has no plans to make the Mustang automatic-only. "Out of our cold, dead hands will we not have a manual Mustang." Farley said.

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Long-time Slashdot reader necro81 writes: There are several companies, such as Tesla, trying to make semi trucks fully electric. The capital cost for such a truck, and the MW-scale infrastructure to recharge it, may be a hard sell for some operators. [IEEE Spectrum notes that's a charging infrastructure "that most freight corridors do not yet reliably provide."] But some companies are instead adding batteries and an electric motor to the semi-trailers that trucks haul behind them. "The Nivalis Powered Trailer Kit centers on an electric axle [rated at 50 kilowatts-peak]... capable of both propulsion assistance and regenerative braking. It draws on a 60-kilowatt-hour, 400-volt lithium-ion battery pack charged from three sources: the axle itself during braking and deceleration, a full-rooftop array of photovoltaic panels generating up to 3.7 kilowatts-peak, and a 32-amp, three-phase AC grid connection available during parking stops." This approach is more akin to a plug-in hybrid: the truck may still be diesel-powered, but the electric assist from the trailer allows the truck to run more efficiently. Replacing diesel with kWh can save operators money while also reducing emissions. This incremental approach may be more accessible and less capital-intensive than replacing the truck itself. From the article: The driver's only window into the system is a small display readable from the cab's side mirror that shows the system status and battery charge level. Nothing about the trailer's handling or licensing requirements changes. The partners project savings of up to 7,000 liters of diesel per trailer per year, which is enough to keep about 19 tonnes of carbon dioxide out of the air... Trailer Dynamics, an Aachen-based company, has conducted field tests with BMW Logistics, DB Schenker, Duvenbeck, and Volkswagen Konzernlogistik, reporting average fuel savings of around 40% for diesel tractor combinations, substantially higher than the up to 18% reduction implied by the Nivalis projection... Trailer Dynamics prices its system between €145,000 and €195,000 and targets a payback period of no more than five years. Nivalis targets five to six years at current costs.

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NHTSA is ordering autonomous vehicle developers to explain by the end of the month how they will stop driverless cars from interfering with police, firefighters, and paramedics. TechCrunch reports: [NHTSA Administrator Jonathan Morrison] noted in the letter (PDF) that the agency has "identified a clear pattern of driverless AVs interfering with law enforcement and other first responders," citing instances in which these vehicles drove into active emergency scenes, blocked the paths of ambulances and firefighters, or failed to recognize and respond to basic safety conditions like flashing lights, flares, smoke, fire, and traffic cones. The agency has demanded that AV developers present their "solutions" to this problem by the end of the month. "Let me be clear: the inability to detect and appropriately respond to such situations represents a functional insufficiency," Morrison's letter reads. "Emergency scenes are not rare or extreme 'edge cases.' As such, NHTSA is today issuing a call to action for AV developers and operators to immediately focus their resources on fixing this issue." The agency doesn't explicitly call out any particular company in the letter; however, the details suggest it is directed at robotaxi operators like Waymo. [...] The agency's letter to AV developers doesn't say what the consequences would be if the request is ignored. Nor does it outline what the acceptable solutions would be. But the agency does imply it would hold companies accountable, just as it does human drivers who impede law enforcement. "Every second matters when law enforcement officers, firefighters, or paramedics are answering a call because lives are on the line," the letter states. "That is why human drivers who impede these operations are subject to fines and even jail time." The agency also noted in a press release accompanying the letter that it's making progress on updating Federal Motor Vehicle Safety Standards (FMVSS) requirements, which govern vehicle design and equipment requirements. These proposed changes could help autonomous vehicle companies like Tesla and Zoox, which are developing vehicles without steering wheels, pedals, or other features required on human-driven cars. The agency has already proposed rules that would eliminate the need for windshield wipers, sun visors, defogging systems, and tire placards. The agency released a new 2026 Regulatory Plan and Unified Agenda last week, outlining its proposals.

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247,000 miles on an EV battery? So says the owner of a U.K.-based used-car sales company that specializes in Evs, who tells the Wall Street Journal EV batteries keep performing well even after several hundred thousand miles. "They are proving themselves to be exceptionally reliable." After five years on the road, the average EV will still be able to drive up to 95% of its original range, according to Recurrent, a data-science company that provides a battery-monitoring tool for EVs — better than many in the auto industry expected... Potential new car buyers' fear of having to pay for a battery replacement is the number one reason they choose to steer clear of EVs, according to a 2025 survey from industry research firm AutoPacific. When early EVs hit the market, buyers' concerns were well-founded. Roughly one in 12 EVs built from 2011 to 2016 have had to have battery replacements. But new data shows that more modern EVs are doing better so far. Among EVs built from 2022 on, 0.3% have had battery replacements, according to a 2025 study from Recurrent. As battery technology has advanced, EVs have avoided problems like the ones that plagued the original Nissan Leaf when it hit the market in 2010, for example. Those cars lacked the battery-cooling technology that is in newer EVs, and they made headlines for wearing down quickly. Buyer perception hasn't quite caught up, according to Scott Case, co-founder and chief executive of Recurrent... The newest battery-powered EVs have lifespans comparable to internal-combustion-engine vehicles, even when driven more miles, according to Viet Nguyen-Tien, a research officer at the London School of Economics who focuses on Evs. Improvements in car batteries' chemical contents, battery-management systems and thermal regulation have been the difference in making batteries last longer and cost less, Nguyen-Tien said. Battery prices have fallen more than 90% since 2010, according to a BloombergNEF report from late last year. Industry analysts say battery-replacement costs are also improving as more EVs are designed for repairability in the long-haul. An out-of-warranty battery replacement can cost anywhere from $5,000 to $16,000, depending on the manufacturer, according to Recurrent. But many EV manufacturers have shifted to allow smaller components of their battery packs to be repaired, which can allow owners to avoid the full costs of a battery replacement, Case said. EV batteries aren't without their challenges, though. A battery that is frequently fast-charged with high power loses its range, on average, at twice the rate of a battery charged at a lower power, according to telematics company Geotab. Frequently charging a battery to 100%, or letting it rest at 0% for extended periods, can also reduce range long-term. And EVs regularly deliver less range in extreme cold or heat. The article also includes two new projections on EV adoption: "The share of new EVs sold is expected to nearly double to 11% of new-car sales in the U.S. by 2030, according to industry consulting firm AlixPartners." "Globally, EVs already make up 15% of new-car sales and are expected to form nearly a quarter of the global market by 2030, according to AlixPartners."

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The FAA plans to replace its 1973 ban on civilian supersonic flight over U.S. land with a noise-based standard, potentially allowing aircraft to exceed Mach 1 as long as they stay below certain sound limits. The agency aims to finalize the rules by mid-2027, opening the door for companies such as Boom Supersonic and Spike Aerospace to operate quieter next-generation passenger jets over land. Longtime Slashdot reader schwit1 shared the notice (PDF) published Tuesday by the FAA. Forbes reports: Technological advances "will eliminate the old sonic boom," FAA Administrator Bryan Bedford said in a statement. "This means we can ultimately repeal the ban from the 1970s on supersonic flight over U.S. territory while minimizing noise impacts to residents in communities along the route and near airports." The primary reason was public opposition to loud sonic booms. In the 1960s, a plane flying faster than the speed of sound -- about 660 mph at high altitudes -- created shock waves that traveled to the ground and reached human ears as a loud gunshot-like crack or thunder-like boom. Tests during that decade, including the Oklahoma City sonic boom experiments, found repeated booms broke windows, damaged property and generated thousands of public complaints. In its 1973 ruling, the FAA stated that due to the limits of technology at that time, "a prohibition was needed to protect the public from sonic boom .... by preventing operations of a civil aircraft at a true flight Mach number greater than 1." Several years later, Air France and British Airways introduced Concorde, and were allowed to serve New York's John F. Kennedy International Airport as long as flights remained subsonic over U.S. land. Notably, "the prestigious London-New York service was the only truly profitable [Concorde] route, supported by high-powered business and celebrity travel," wrote a former British Airways network planner for Forbes in 2021. Several U.S. companies are working on a new generation of luxurious supersonic passenger aircraft with much quieter sonic booms and improved fuel efficiency. In particular, Colorado-headquartered Boom Supersonic says it has pre-orders from United Airlines, American Airlines and Japan Airlines for its Overture jets, which will carry 60-80 passengers. Atlanta-based Spike Aerospace is developing smaller Diplomat jets for up to 18 passengers. Both companies' websites tout future transatlantic flights in under four hours.

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"South Korea plans to train every single member of its nearly half-million-strong military to operate drones as easily as they handle personal firearms," reports Ars Technica: The goal is to make drones a "universal combat tool" for all troops by training them to use drones like a "second personal weapon," said Ahn Gyu-back, South Korea's Minister of National Defense, in a June 26 briefing reported by Reuters and other media outlets. The announcement coincides with broader plans to equip individual military units with more cheap and expendable drones for surveillance and strike missions, along with deploying more counter-drone lasers and microwave weapons. Meanwhile, South Korea's former drone operations command headquarters that used to have direct command authority over combat units will be reorganized to focus on collaborating with South Korean industry on developing and procuring commercial drone technology, according to The Korea Times. The South Korean defense minister specifically cited the conflicts in Ukraine and the Middle East as inspiring such military reforms with a focus on drone technologies... Ukraine's use of drones and military robots as a force multiplier to offset its numerical disadvantage on the battlefield versus Russia's larger military may carry special resonance for South Korea, given that the South Korean military's current active-duty strength of 450,000 personnel faces a numerical disadvantage against North Korea's active-duty military consisting of more than 1.2 million soldiers... The defense ministry is starting out by providing 11,000 "training drones" to military personnel this year, with the goal of eventually deploying 60,000 drones across the military by 2029. An additional complication comes from the South Korean military looking to procure drones with 100 percent domestically produced components and no Chinese components due to security concerns, according to the defense minister's comments reported by Reuters... South Korean companies are building new military attack drones, but the defense ministry may struggle to find enough commercial drones made without Chinese components to train hundreds of thousands of military conscripts, said Min-Cheol Jung, a cofounder of the Team Retriever counter-drone red team based in South Korea, in a War on the Rocks article.

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schwit1 shares a report from The Wall Street Journal: The European Union Aviation Safety Agency has ordered (PDF) urgent inspections of 16 Airbus A380 planes operated by Emirates and Qantas, after cracks were found in a wing component on some aircraft (source paywalled; alternative source).. Cracks were found during earlier inspections of the wing spars structure, a key component of the wing, EASA said in a directive effective Wednesday. EASA determined that they "could reduce the structural integrity of the wing." "To address this potential unsafe condition, Airbus determined that an additional special detailed inspection has to be accomplished," EASA said. The first group of five aircraft, operated by Emirates, need to be inspected immediately, while the second group of 11 aircraft can be inspected later but within 25 flight cycles, EASA said in a separate statement. From the second group, 10 are operated by Emirates and one by Qantas, the aviation safety agency said.

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Longtime Slashdot reader schwit1 shares a report from autoevolution: The U.S. Department of Commerce's Bureau of Industry and Security denied Polestar an authorization under the Connected Vehicle Rule. Polestar will continue to sell its existing inventory of Polestar 3 and 4 crossovers in the United States and will continue to offer support to customers and access to its service network. But no new 2027 models will set wheels on American soil. The Connected Vehicle Rule is a regulation that restricts the import and sale of vehicles equipped with Vehicle Connectivity Systems (VCS) and Automated Driving Systems (ADS) tied to foreign adversaries, primarily from China and Russia. Polestar is owned by Chinese auto giant Geely, which has also been the parent company of Swedish brand Volvo since 2010. However, Volvo has recently been granted authorization to sell connected vehicles in the United States. The rule, set out by the Bureau of Industry and Security (BIS), classifies modern vehicles as mobile data centers and is designed to protect national security by keeping sensitive driver data and vehicle control systems out of the hands of foreign governments. Michael Lohscheller, Polestar CEO, confirms that the company is well aware that the automotive industry is entering a new phase, based on regional dynamics. So, Polestar will shift its strategy to its biggest market as it is preparing its exit from the U.S. market. The report notes that Polestar sold 5,384 cars in the U.S. in 2025, with 60,119 units sold globally.

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