Utilizing the NGV Market   Some major corporations are investing heavily in the development of natural gas vehicles in response to the announcements by GE and Chesapeake Energy that they will collaborate to develop fueling technologies for NGVs and by Chevrolet and Ram that they will produce natural gas pickup trucks.   In order to...

CUMMINS NATURAL GAS ENGINE   The Cummins Westport ISX12 G.    Only compressed or liquefied natural gas will be used to power the engine, which is based on the Cummins ISX12 diesel. It will be offered in five grades, with outputs ranging from 330 to 400 hp and 1,150 to 1,450 lb-ft of torque. The ISX12 G will also come with a ...

ISX12 Heavy-Duty Engine   Cummins Inc.'s ISX12 Heavy-Duty engine, which offers considerable fuel economy advantages for regional haul, vocational, and specialty applications, has just been released. Building on the strength and performance of its predecessor, the ISX11.9, the ISX12 boosts fuel economy by up to 5% in regional haul ...