article thumbnail

EPA Proposes to Streamline Approval Process for Fuel Conversion Systems

Green Car Congress

The US Environmental Protection Agency (EPA) is proposing to make it easier for manufacturers to gain approval to sell fuel conversion systems. The proposed rule would cover conversions of light-duty vehicles and heavy-duty highway vehicles and engines, and would apply to all clean alternative fuels. Vehicle/Engine Age.

article thumbnail

EPA updates rules to ease commercialization of alternative fuel conversion systems

Green Car Congress

The US Environmental Protection Agency (EPA) has updated rules making it easier for manufacturers to sell fuel conversion systems—i.e., systems that alter a conventionally-fueled vehicle or engine to enable it to run on an alternative fuel. Vehicle/Engine Age Conversion Manufacturer Requirement Certificate Issued?