System Operation & Performance

One of the key benefits of the ROUSH CleanTech liquid propane autogas fuel system is that vehicle operation and performance is virtually transparent as compared to that of the base gasoline vehicle.  One of the reasons for this is the fact that there is no loss in engine performance. The following graph shows the engine performance comparison of the Ford 5.4L 3V gasoline engine as used in the 2010 Model Year Ford F-250 / Ford F-350 vehicle both before and after the ROUSH CleanTech fuel system conversion.  

Propane as an automotive fuel (propane autogas) has a high-octane value and has key properties for spark-ignited internal combustion engines. Propane autogas carries an almost 100-year heritage, with the first propane-based vehicle developed in 1913.

Propane autogas, which has propane as its primary constituent, has the advantages of producing lower emissions, offering more energy per unit mass while having a higher octane rating than gasoline. In addition, through the use of propane autogas we can continue to work away from dependence on foreign sources of domestic energy.

Propane autogas also has the advantage of already having a robust national infrastructure in place to support its implementation not only as an alternative fuel, but also as a primary fuel. 

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