Natural Gas Powered Heavy Duty Truck Demonstration 961669

A Kenworth T800 heavy duty dump truck operating on compressed natural gas has been in service with the city of Surrey, British Columbia. The truck uses a Cummins L-10-300G engine, a dedicated spark ignition engine. Fuel is stored in Dynetek high capacity cylinders, and a data logging system is fitted to monitor performance and fuel consumption of the truck.
The truck is used in municipal service moving gravel and asphalt to work sites. A typical day's use is about 200 km.
The truck has been modified significantly throughout the project. A stoichiometric natural gas engine has been replaced with a lean burn engine and the fuel capacity has been increased. One of the key findings in the demonstration has been that fueling stations must have their storage sized to the fuel capacity of the largest vehicle in order to allow reasonable refueling times.


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