Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

LAS VEGAS—Diesel might not be powering long-haul tractor-trailers decades from now. But the fuel will continue to be the primary energy source for over-the-road freight transportation for the rest of ...

Diesel engines, although robust and efficient, release harmful atmospheric pollutants such as nitrogen oxides and fine particles, posing challenges for health and the environment. A simple approach is ...