Diesel trucks are often assumed to deliver better fuel economy, especially on the highway. But real-world testing can ...

Diesel-powered vehicles are usually quite specialized. There was a time when the fuel was really getting pushed, and although many automakers trialed it as a mainstream fuel, the industry — in the U.S ...

One thing that fascinated me is drivers who achieve high miles per gallon on a regular basis. The national average mile per gallon is 6.91, and fleets in NACFE’s most recent Fleet Fuel Study have an ...

The U.S. Energy Information Administration found that diesel prices across most of the nation continued to swing upward the week of Jan. 13. As of this week, the national on-highway diesel fuel price ...