Propane Autogas Engine

The ROUSH CleanTech Propane Autogas Engine is certified to California Air Resources Board's optional low oxides of nitrogen emissions standard for heavy duty engines with 0.02 grams per brake horsepower-hour. The engine is 90 percent cleaner than the current EPA's most stringent 0.2 g/bhp-hr heavy duty engine standard, according to the company. This certification covers all of the company's 6.8L V10 3V propane engines for Class 4 to 7 vehicles.