Earlier this year, ROUSH CleanTech received California Air Resources Board certification for its ultra-low NOx 6.8L V-10 3V propane engines for Class 4 through Class 7 vehicles. When fueled by traditional propane autogas, the engine is 90% cleaner than national emissions standards.
 - Photo courtesy of ROUSH CleanTech

Earlier this year, ROUSH CleanTech received California Air Resources Board certification for its ultra-low NOx 6.8L V-10 3V propane engines for Class 4 through Class 7 vehicles. When fueled by traditional propane autogas, the engine is 90% cleaner than national emissions standards.

Photo courtesy of ROUSH CleanTech

Roush CleanTech revealed that its 0.02 grams per brake horsepower-hour engine can operate on renewable propane. The company says it is the first available engine for renewable propane that brings emission levels to "near-zero" as defined by California Air Resources Board.

"When commercial vehicles are equipped with our ultra-low NOx engines and fueled by renewable propane, they achieve near-zero emissions while still being financially viable for fleets," said Todd Mouw, president of Roush CleanTech. "These clean-operating, medium-duty trucks, vans and buses enable fleets to take a giant leap toward meeting their state's clean air standards, especially in California."

Renewable propane is a non-fossil fuel that is produced from 100% renewable raw materials, such as waste, residue and sustainably produced vegetable oils. There is growing interest in renewable propane (also known as biopropane) due to its near-zero emission levels, reduced greenhouse gases and ability to help meet growing demand for cleaner products. It can be used as a "drop-in" replacement fuel because it's chemically nearly identical to conventional propane.

Many companies in the U.S. and around the globe are developing renewable propane technology, with some production in commercial volume as a byproduct of renewable diesel plants.

Roush CleanTech unveiled the usage of renewable propane during a three-city roadshow in California. The event also covered federal and state funding opportunities available for near-zero emission vehicles.

Earlier this year, Roush CleanTech received California Air Resources Board certification for its ultra-low-NOx 6.8L V-10 3V propane engines for Class 4 through Class 7 medium-duty vehicles. When fueled by traditional propane autogas, the engine is 90% cleaner than national emissions standards.

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