Nissan's new electric car, the Leaf, will get the equivalent of 99 miles per gallon (42.09 kilometers per liter) in combined city and highway driving in U.S. government testing.

Japan's Nissan says the Environmental Protection Agency's fuel efficiency window sticker will estimate the electric car will get the equivalent of 106 mpg (45 kpl) in city driving and 92 mpg (39 kpl) on the highway.

EPA estimates that the Leaf can travel 73 miles (117 kilometers) on a fully charged battery and cost $561 a year in electric costs.

The government tests attempt to find a mileage equivalent for cars running only or partially on electricity.

Nissan has estimated the Leaf can travel 100 miles (160 kilometers) on a full charge based on tests used by California regulators.

Nissan and General Motors are both releasing electric cars within weeks.