The ‘1,000-MPG’ BMW i3: 56,000 miles on 50 gallons of gas

The few available range-extended electric car models give drivers added flexibility by using gasoline engines as onboard backup generators. But using the range extender too often may consume a significant quantity of gasoline, somewhat offsetting the purpose of owning an electric car for some buyers. Electric-car advocate Tom Moloughney faced that… …read more