The 6.6 Duramax is one of the most powerful engines for heavy-duty trucks like the Chevy Silverado and GMC Sierra, but how ...

Ford's Power Stroke 7.3 has a generally stellar reputation, but how many miles per gallon can drivers expect to get from the ...

Better yet, May represented a monthly record high. May's new cars got an average fuel-economy rating of 25.6 miles per gallon, up from 25.2 mpg in April and rising 3.2 percent from the 24.8 mpg ...

One of Sean Duffy’s first acts was to start dismantling rules demanding automakers hit fleet average of 50.4 mpg for cars by ...

For the sake of comparison, TrueCar data shows that back in mid-2008, the average fuel economy rating of light vehicles stood at 21.2 mpg. In our opinion, that's a barely measurable improvement in ...

Gasoline can add up fast. Therefore, searching for a new -- to you -- car with good gas mileage is a decision you probably won't regret. Depending on how much you drive, investing in a car with ...