The new measure requires automakers to achieve an average of 65 miles per gallon for all the car models they sell by 2031.

Automakers are exploring energy storage as a way to help utilities and save customers money, turning an expensive component into an industry asset.

More efficient manufacturing, falling battery costs and intense competition are lowering sticker prices for battery-powered models to within striking distance of gasoline cars.

Automakers and dealers are starting to offer discounts, low-interest loans and other incentives to lure buyers as the supply of cars grows.

A festival of classic cars from the communist era brings out some nostalgia in eastern Germany for pre-unification days, although the abuses that occurred behind the Iron Curtain aren’t forgotten.

The president wants to shift America’s car fleet toward electric vehicles, but not at the expense of American jobs or national security.