Rivian CEO confirms auxiliary batteries, truck-to-truck charging

Rivian R1T electric pickup conceptThe U.S.-based startup electric automaker Rivian is already showing plenty of signs that it's doing things differently than Tesla. While Tesla CEO Elon Musk discusses potential features of the company's new cars on Twitter, Rivian has held back on boasting about some of its most innovative ideas. The latest, according to a wide-ranging new...

Researchers learn how to better predict battery degradation

Lithium-ion battery cellsSome electric-car owners go to great lengths to preserve the battery life in their electric cars. Others just plug them in every time they're finished driving and charge them up to full. Maybe, according to new research announced earlier this week, the durability of batteries can be determined after only the first few charge cycles, and may have...

Battery tech may be getting a big solid-state boost soon

Tesla Motors - Model S lithium-ion battery packA Woburn, Massachusetts, company may be attracting big name attention for its solid-state technology that it says can withstand higher temperatures and offer higher capacity. For battery makers, producing a stable solid to withstand the rigors of charging and discharging has proved elusive. Ionic Materials said in February that it had secured $65...

McKinsey summarizes state of the art, latest trends in electric cars

2018 Tesla Model 3Over the seven years modern, mass-priced electric cars have been on sale, various bits of wisdom have emerged among their fans, advocates, and owners. One might be how much battery range is "enough" to prevent drivers from worrying constantly about whether they need to charge. Another might be which vehicles have batteries that seem to hold their...

2012 Chevy Volt has now crossed 400,000 miles, range remains steady

2012 Chevrolet Volt crosses 400,000 miles, September 2017   [photo: owner Erick Belmore]As more battery-electric cars are sold and more drivers become aware of them, the question of battery life recurs among pretty much every potential buyer. How long will the battery last? Will I have to replace it every 18 months as I do in my smartphone? Data on the liquid-cooled battery packs of older Tesla Model S and Chevrolet Volt cars offers...