Roush Enterprises has announced the California Air Resources Board (CARB) has approved the Roush propane-powered conversion of the F-150 Ford pickup. According to the company, this is the first ...

The California Air Resources Board (CARB) has given its seal of approval for propane-powered Ford E-450 cutaway vans upfitted by Roush CleanTech Feb. 23, 2011 The California Air Resources Board (CARB) ...

California Air Resources Board gives ROUSH CleanTech green light to retrofit 2012-newer fleet vehicles ROUSH CleanTech has earned California Air Resources Board (CARB) retrofit certification for all ...

CleanFUEL USA, the nation’s first developer of liquid propane fuel injection systems, says it has received Environmental Protection Agency (EPA) and California Air Resources Board (CARB) certification ...

Power Solutions International (PSI) announced that its new 8.8 L ultra-low NOx propane engine was recently certified by the U.S. Environmental Protection Agency (EPA) and California Air Resources ...

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 ...

ROUSH CleanTech is the first original equipment manufacturer to receive California Air Resources Board’s 0.02 grams per brake horsepower-hour certification for 2022 model year vehicles. The optional ...