Automotive

Tesla driver killed in fiery crash hit 90 mph, report says

The Tesla driver who died with a passenger in a fiery September crash near Miami accelerated to 90 mph (145 kph) in the seconds before he lost control and smashed into trees, federal investigators said Wednesday—a conclusion ...

Energy & Green Tech

Invention reduces risk of battery explosions

A deceptively simple sensor system developed at the U.S. Department of Energy's Pacific Northwest National Laboratory can prevent dangerous conditions from developing in outdoor battery cabinets.