Republicans long for a past that never was while Democrats increasingly dream of a future that will never be

New Mileage Rules Debated by Carmakers and White House - NYTimes.com

The administration is proposing regulations that will require new American cars and trucks to attain an average of as much as 56.2 miles per gallon by 2025, roughly double the current level. That would require increases in fuel efficiency of nearly 5 percent a year from 2017 to 2025.