Business Wire

CARB Certifies Next-Generation Propane Engine in Blue Bird School Buses to Lowest NOx in Market

ROUSH CleanTech is first OEM to receive CARB’s 0.02 grams per brake horsepower-hour (g/bhp-hr) certification for 2022 model year. The company’s propane engine is 90% cleaner than national emissions ...
CCJ

Roush CleanTech propane autogas Ford E-450 cutaways receive CARB OK

Roush CleanTech announced that its propane autogas fuel system for Ford E-450 cutaway vans, the first shipment of which will leave Michigan this month, has received certification by both the U.S.
CCJ

Roush produces nation’s first propane engine to meet CARB’s lowest NOx standard

Roush CleanTech announced today that it’s now offering the first propane autogas engine certified to meet California Air Resources Board’s optional low oxides of nitrogen emissions standard for ...
Fleet Owner

CARB OKs propane autogas retrofit system for 2010 Ford vehicles

The California Air Resources Board (CARB) has given its approval to a retrofit propane autogas fuel system for 2010 model year vans and wagons. The system, developed by Roush CleanTech, fits 5.4L Ford ...