The 6.7 Cummins and 6.6 Duramax diesel engines are both reliable and solid, but they do differ in some ways. Here's the ...

If Cummins completes the task, an efficient military vehicle that runs on a wide range of fuels could emerge.

Cummins has been around for more than a century, providing diesel, natural gas, and alternative fuel engines for a variety ... vessels to commercial and military applications.