Have you ever popped up the trunk of a diesel truck and noticed that there are two separate batteries under the hood? Given that gasoline-powered vehicles seem to do perfectly fine with a single ...

Los Angeles, Calif.-based Parallel Systems on Sept. 12 introduced its second-generation autonomous battery-electric freight car, which it plans to pilot test on existing U.S. and international rail ...

Everyone loves, and should respect, lithium-ion batteries. They pack a ton of power and can make our projects work better. I’ve gathered a number of tips and tricks about using them over the years, ...