mileage

Automakers like BMW have used full hybrid technology to give high performance luxury cars like the 5-Series a gas mileage boost without compromising on performance.

While the car industry once argued against even minimal increases in government fuel rules, a rise to 54.5 miles per gallon by 2025 is being meekly accepted.

The new labels will compare a vehicle’s emissions of carbon dioxide with those of all other vehicles, as well as provide miles-per-gallon data.

This will sound outlandish, but any veteran driver of a Prius, or at least one who's worked hard to get decent mileage out of the hybrid, will tell you it's not.

The age of the silent hybrid may be coming to an end. Gas-electric hybrids, propelled by electric motors at low speeds, are well-known for their quiet ride and great mileage.

The federal government’s rules set mileage standards that will translate to a fleet average of 35.5 miles per gallon by 2016.

A new study concludes that last summer's government-funded "Cash For Clunkers" program didn't hurt car sales rates in future months, and in fact did just what it set out to do: get old, low-mileage cars off the road and stimulate auto sales in the U.S.

An analysis by Maritz Research refutes one of...

The new rules would require the auto industry’s fleet of new vehicles to average 35.5 miles a gallon by 2016.

The company said that in the city, most drivers will rely on the rechargeable battery and should get at least 230 miles per gallon.