Cummins Westport today announced that the ISB6.7 G, a 6.7-liter midrange, factory built natural gas engine is now fully available as a production engine for shuttle bus, medium duty truck, and ...

Cummins Westport Inc. announced on Oct. 4 it has begun development on the ISB6.7 G, a mid-range 6.7-liter natural gas engine designed to meet the increasing demand for on-highway vehicles powered by ...

INDIANAPOLIS. When it comes to midrange diesel engines, the focus at Cummins Inc. is how to keep bringing the “best of both worlds” together, according to Jeff Caldwell, the company’s executive ...

In the world of semi-trucks, the engine under the hood often matters a whole lot more than the badge on the grill. In fact, most trucks across America are powered by one of just four engine ...