Is 40 miles per gallon (mpg) the new 30? Could this be the de facto standard for a new crop of vigorous, green machines that promise to cart our gracefully aging selves around while taking baby sips of fuel or electrons?
5 Fuel-Saving Technologies
In the long run, the internal combustion engine (ICE) is on the way out and electric motors are on the way in, but ICEs hav...