Top 10 Fuel Sippers (EPA Ratings)

All-electric cars are the most efficient ones among all types of drivetrains, followed by plug-in hybrids. This fact is confirmed by the official Fueleconomy.gov data, which compares MPG for conventional cars with MPGe equivalent (33.7 kWh = 1 gal. of gasoline) for EVs, under three categories – combined & city/highway… …read more