By Todd Mouw, President Roush CleenTech
This past year, ROUSH CleanTech launched several new low-NOx innovations that further reduce harmful emissions. The company introduced an ultra-low NOx propane engine for Class 4-7 trucks in addition to its already low NOx offering. This 0.02 g/bhp-hr NOx engine is 90 percent cleaner than the current EPA’s most stringent heavy-duty engine standard. ...
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