Gas prices have fluctuated since the U.S. and Israel launched a war on Iran, which disrupted shipping through the Strait of ...

While it does measure the efficiency of electric cars, the letter "e" in MPG-e has nothing to do with electricity. Here's ...

How efficient is an F-22 at Mach 1.5? The Raptor gets just 0.30 MPG in supercruise, but the number tells a bigger story.

Sixty-one million people are expected to travel by car more than 50 miles away from their homes for the Fourth of July ...

It’s official — gasoline prices are no longer above $4 per gallon. Barely. According to AAA, the national average was $3.9990 a gallon as of Thursday. That is below the $4.56 peak but still well above ...