New Metric For Car Efficiency: Miles Per Dollar Spent On Energy?

It’s downright confusing trying to calculate how much it costs to run green cars, whether it’s a 50-mpg Toyota Prius or a highly efficient electric car like the 124-MPGe BMW i3. One of the problems is how to use different efficiency ratings for various powertrains–gasoline, hybrid, electric–to calculate actual cost. As it turns out, the… …read more