It looks like a typical public utility company's dump truck, but this blue M2 has a green Deere gas engine that runs cleanly and quietly. Three high-strength tanks store compressed natural gas at up ...

A driver heads for his cab, jumps in, belts up and hits the starter button. It’s only 10 degrees outside, but the engine fires almost immediately, and runs quietly while he warms it up. No fuel ...

It's hard to consider ACT Expo, an alternative fuel and green energy transportation trade show held this week in Las Vegas, anything other than a battery-electric truck showcase, but alternative ...

Walmart employees look over an X15N engine — made at the Cummins Inc. Jamestown Engine Plant — before the truck makes its way on a field test from Indiana to California, where it will featured at the ...