Regulators approve propane-powered vehicles

04/7/2010 | ·

The Environmental Protection Agency has approved two propane-fuel systems for commercial vehicles, allowing them to be sold across the country. Officials approved Roush's propane-powered 2010 E-150, E-250, and E-350 vehicles and signed off on the six-liter CleanFUEL USA propane engine used to power Collins NEXBUS Propane school buses.

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