If the Obama administration is serious about boosting the fuel efficiency of the American fleet, it must do more than just tighten fuel-economy standards to steer drivers to the new cars.

The offering from the Japanese automaker would beat the Chevrolet Volt to the market.

A look at the machinery to be revealed at the Detroit auto show suggests that the era of the electric automobile has finally arrived.

The mayor announced financial incentives aimed at pushing taxi owners to buy more environmentally-friendly gas-and-electric cars.

Hybrid trucks remain beyond the reach of many corporate truck fleet buyers.