New Perspectives on Auto Propane as a Mass-Scale Motor Vehicle Fuel 911667

While today propane is the most widely used alternative to gasoline and diesel fuel as a transportation fuel, it is not being adequately considered as a mass-scale alternative transportation fuel (ATF) for the future by policy makers and engine manufacturers.
Recent data and interpretations of the comparative supply, performance and cost of propane and liquefied petroleum gas (LPG) relative to other transportation fuels support the view that propane is a practical ATF option. Data is provided on new sources of LPG supply; evaporative, tailpipe and greenhouse gas emissions; new LPG engine technologies including flexible fuel, liquid injection and emission control systems; new equipment to facilitate self-service retailing and to improve propane safety.
The early adoption of propane and natural gas as alternative transportation fuels will minimize the long range cost of conversion of the U.S. transportation system to the ultimate clean motor vehicle fuel of the future - hydrogen. The thesis is advanced that the long range goals for air quality and energy security established by recent U.S. legislation can best be achieved by large scale use of a triad of gaseous fuels - natural gas, propane and hydrogen.


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