COLUMBUS, Ind. – Cummins, working with the Propane Education and Research Council (PERC), has developed a medium-duty propane demonstration engine that it claims will outperform diesel in key areas.

"Propane is the fuel of the gods," according to Hank Hill from the television show King of the Hill. Well, we would have to agree with Hank's enthusiasm for the wonder-gas, especially when it comes to ...

Famous for developing and manufacturing diesel engines, Cummins has just rolled out its first gas power plant in over one hundred years. The Cummins B6.7 Octane gasoline power plant is designed to set ...

Here's the story of perhaps the most legendary diesel engine ever made, the Cummins 5.9L.

Propane could be competitive with diesel as a cost-saving, energy-efficient fuel for large trucks and school buses, say Colorado State University mechanical engineers awarded a $3.5 million U.S.

If you've been considering a Ram or Ford heavy-duty truck for your next purchase, you might be wondering about how the 6.7 Cummins and Ford 6.7 Powerstroke compare, and understandably so. These two ...