Bousum Trucking is running the first PacLease Kenworth trucks with the Cummins X15N natural gas engine—cutting emissions on ...

Neither one features a natural gas option. For some reason, the highway semi truck that the company makes, the 57X, does not ...

A big rig powered by natural gas caught fire on Interstate 15 in the Mountain Pass area about 50 miles south of Las Vegas Wednesday, according to authorities. The semi-truck, which runs on ...