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Development and Demonstration of a Class 8 Propane-Powered Truck
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Abstract
A 261 kW (350 hp) spark-ignited, turbo-charged and aftercooled Cummins “Big Cam” propane engine was developed and tested for class 8 truck application. Two propane engines were operated in line-haul service for a total of 33 months and almost 350 000 kilometres (217 480 miles). A diesel-powered tractor, in similar service, was monitored for comparison.
Fuel economy, oil consumption, maintenance, drivers' comments, and engine refinements were fully documented. Propane fuel economy averaged 94 L/100 km (2.5 mpg), relative to 45 L/100 km (5.2 mpg) with the diesel. Overall reliability was good and driver acceptance excellent; however, further refinements, especially in the turbocharger, ignition, and cooling system, are required to compete with the modern diesel.
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Citation
Turner, J., Topaloglu, T., and Hrynyk, G., "Development and Demonstration of a Class 8 Propane-Powered Truck," SAE Technical Paper 901499, 1990, https://doi.org/10.4271/901499.Also In
References
- Campbell, I.D. Gilbert J. B. “Road Testing of Cummins NTC Engine Converted to LPG/Diesel Dual Fuel Operation,” Windsor Workshop on Alternative Fuels 1985
- Goetz, W.A. Jones W.M. “Spark Ignition Propane Engine for Class 8 Trucks,” Proceedings, Gaseous Fuels for Transportation I 995 1013 1986
- Goetz, W.A. Jones W.M. “Diesel/Propane Conversion for Heavy Duty Trucks, Phase II, Technical Progress Report .01,” Submitted to Ministry of Transportation