Misfueling a gasoline car with diesel is one of those mistakes that goes from embarrassing to expensive in a matter of minutes. The wrong fuel can damage components from the tank to the catalytic ...

Diesel engines power more than you may realize. While diesel was once considered a useless byproduct of the crude oil refinery process, it's now responsible for powering everything from freight trains ...

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 ...