Rare-earth metals drive up the cost of electric-car production and take a larger toll on environments when not responsibly or legally mined. It's one of few blemishes on electric-vehicle production since the 1990s that persist to today. Now, Mercedes-Benz says it has a graphene-organic cell chemistry battery that could eliminate the need for... CES: Mercedes-Benz “Avatar” concept looks ahead to more environmentally responsible batteries
Rare-earth metals drive up the cost of electric-car production and take a larger toll on environments when not responsibly or legally mined. It's one of few blemishes on electric-vehicle production since the 1990s that persist to today. Now, Mercedes-Benz says it has a graphene-organic cell chemistry battery that could eliminate the need for...