Researchers in Wisconsin have developed a concept engine that can run on gasoline and diesel at the same time, with a ...

They pull hard and use less fuel than a gasoline engine doing the same work. Greater fuel efficiency will often offset the ...

For 2027, Ford updates its heavy-duty truck lineup and ditches the previously standard gas V-8 and lower-output Power Stroke.

We all know why diesel engines are great for pickup trucks: They pull hard and use less fuel than a gasoline engine doing the ...

The 2027 Ford Super Duty is dropping its 6.8L gas V8 and standard-output 6.7L diesel, leaving buyers with one gas and one ...

Westport and Volvo are demonstrating a 500-hp truck with diesel-like efficiency — one that also offers what Westport says is ...