fuel efficiency

Google is trying to use its algorithms to save you gas money.

A new proposal wants to cut fuel efficiency standards, and it's going after California to do it.

Luxury supercars, hydrogen fuel cells, and fully autonomous cars -- in 15 years

Little cars flopped in the 1950s. Today, failure isn’t an option.

We may never fully comprehend just how much damage this egregious subterfuge will really do

The supercar guzzles less gas than its competitors

Versatile. Efficient. Now Made In The U.S.A.

I feel you, man

The Volkswagen XL1, which gets the equivalent of 209 miles per gallon, debuted this morning in Chattanooga, Tenn.

Since the days of $4 gas began, the single-cylinder motorcycles and scooters that dominate international megacities have become increasingly common...