Prototype 12L CNG engine hits the road

Thursday, November 3, 2011 by JD East
 from FleetOwner.com

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Paper Transport (PTI) is now testing two tractors equipped with prototype 12L compressed  natural gas (CNG) engines supplied by Cummins.

One engine is installed in a Kenworth and the other in aFreightliner.

“The 12L CNG trucks are an important step forward for us as  we look toward more widespread use of natural gas as a fuel for our trucks,”  Jeff Shefchik, president of Paper Transport, said.  

The engines offer horsepower and torque equal to commonly  used Class 8 diesel engines, PTI said. The company said it expects the vehicles  to be used in higher weight applications and environments where hills are  common.

“The full use of CNG trucks had been somewhat limited by the  fact that the 9L engine was all that was available for a 100% CNG power unit,”  Shefchik said. “The 12L’s capability to handle steeper grades will be a nice  feature.”

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