Technological improvements for more efficiency changed also traditional gasoline-powered vehicles. But hybrids and electric cars are still far ahead.
Automakers have steadily improved the fuel economy of new cars, S.U.V.s and pickup trucks, pushed by federal regulations. While some companies have introduced hybrid and electric cars, most of the recent gains have come from improving traditional gasoline-powered vehicles. The Trump administration is now proposing to weaken those Obama-era […]