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

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

Diesel engines are famous for reliability, longevity, and torque — until winter shows up and reminds them that chemistry still applies. Diesel fuel, which is pricey nowadays, behaves differently in ...

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

Advancements in CNG engine performance now rival diesel engines in power and torque, making them more attractive for commercial use. CNG trucks incur higher initial costs due to complex fueling ...

Many gas stations host diesel pumps that can be easily confused with gas pumps. Pumping diesel into your gas car can wreak havoc on its systems, forcing you to call a tow truck and mechanic.

Diesel innovation in Europe produced some genuinely brilliant engines, along with a few that mechanics would rather never see ...

More than two-thirds of all commercial diesel trucks and buses are now powered by the latest generation of advanced diesel ...

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