The most fuel-efficient vehicles introduced each year since 1975

(STACKER) - The typical car today will take you about 26 miles on a gallon of gas, or the electric equivalent, but that wasn't always the case.The General used data from the Environmental Protection Agency to find the most fuel-efficient car and truck every year since 1975. For this analysis, years represent the model year of the vehicle; the EPA determined the most fuel-efficient vehicles by their overall miles per gallon.Manufacturers have made great strides in fuel efficiency o