printE.P.A. Prepares to Roll Back Rules Requiring Cars to Be Cleaner and More Efficient
by keifermiller
The rules, aimed at cutting tailpipe emissions of carbon dioxide, a major contributor to global warming, were one of the two pillars of Mr. Obama’s climate change legacy. Put forth in 2012, they would have required automakers to nearly double the average fuel economy of new cars and trucks to 54.5 miles per gallon by 2025.