However, the commercial truck manufacturer may have a solution. Their new 15-liter X15N engine (A Cummins unit) is also huge ...

Our test truck cruised at 1,450 rpm at 65 mph in ... chamber/cylinder head designed exclusively for the way natural gas behaves in the cylinder during intake and combustion. Gone on the X15N is the ...

Tech expert Kurt “CyberGuy" Knutsson takes a closer look at Shell's Starship 3.0: A natural gas big rig boosting efficiency 2 ...

The Cummins X15N natural gas truck engine produces between 400-500 hp with up to 1,850 lb.-ft. of torque and is compatible with Eaton Cummins Endurant and Allison Transmissions. Natural gas is ...

A new, CARB-compliant version of the Paccar MX-13 diesel engine is now available for select Kenworth truck models. The Cummins X15N natural gas truck engine produces between 400-500 hp with up to ...

and a new feature in this variant is a Cummins X15N natural gas engine. The previous iterations had been exclusively diesel-powered. International Truck in September said it is bringing its S13 ...

giving drivers and businesses an incentive to use CNG to power their vehicles," said Ed Peper, U.S. vice president, General Motors Fleet and Commercial. "Given the consistent cost savings and ...