Mitsubishi's very light lithium-ion powered electric car is the "greenest" car on sale in America today, according to the American Council for an Energy-Efficient Economy, a Washington D.C.-based non-profit group. The i-MiEV, also known as the i, is powered by a 66 horsepower electric motor.
One car you won't see anywhere on this list is the Chevrolet Volt. That's because the ACEEE uses vehicle weight as a criterion for scoring, under the assumption that a heavier vehicle causes more waste in production.
These 10 cars will likely become collectibles and will sell for big bucks.
Find Your Next Car 
