The Chevy Volt 230 is known to be Eco-Friendliest Car for 2010. It has the brand’s exclusive design but this time, it’s powered by an electric engine that can go up to 40 miles without charging. This electric car is expected to get at least 230 mpg in city driving. This is the right car if you’re work is just a few miles away from your home, for you don’t have to worry about gas consumption. This maybe expensive, but it will surely save you money in the long run plus it saves our planet. $40,000.