As automakers develop more efficient electric motors, EVs pulling electrons from dirtier, coal-powered grids are as clean or cleaner than even the most efficient fossil-fueled cars when it comes to equivalent tailpipe emissions. But electric vehicles still have a supply-chain problem. A partnership between some of the world's largest automakers is... Ethical sourcing for electric-car minerals: Toyota, Honda, VW, Ford, others sign pledge
As automakers develop more efficient electric motors, EVs pulling electrons from dirtier, coal-powered grids are as clean or cleaner than even the most efficient fossil-fueled cars when it comes to equivalent tailpipe emissions. But electric vehicles still have a supply-chain problem. A partnership between some of the world's largest automakers is...