Cummins has built an empire powering the heavy-duty work truck and other machines of industrial might. Here are the most ...

The two-stroke gasoline engine was once a marvel of engineering, offering up huge doses of power in small and lightweight ...

Cummins is working on a hydrogen powertrain that has the potential to stir up the world of semi trucks, and it's being ...

While Dieselgate killed any remaining enthusiasm for diesel cars in the U.S., heavy duty diesel trucks are still going strong ...