According to Kelly Blue Book automotive sites in the U.S., other than the most efficient and green, Leaf also offers packages, relief and competitive price. For electricity consumption, if converted to gas intake, recorded 99 mpg alias 1 liter per 42 km.
In the runner-up, the Chevrolet Volt that offer a combination electric motor with a gasoline engine coupled with a record of fuel consumption of 93 mpg or 1liter per 39.5 km. While the best-selling hybrid car in the world, Toyota Prius is ranked third with an average cost of consumption 50 mpg, or 1 liter per 21.2 km.
Although it's managed to sit at the top, Nissan Leaf population is still very limited in the U.S. only and has been only 453 units outstanding. In fact, the total had reached 20,000 units pivot. Nissan still experiencing difficulties Leaf boost supplies from Japan, especially the occurrence of natural disasters, last month it made the situation increasingly erratic.
Here's The Best Green Car 2011