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1. www.epa.gov › ve-certification › lists-epa-compliant-alternative-fuel-conversionLists of EPA-Compliant Alternative Fuel Conversion Systems

   www.epa.gov › ve-certification › lists-epa-compliant-alternative-fuel-conversion

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   24 Ιουν 2024 · Last updated on June 24, 2024. The conversion systems on these lists have been certified by EPA as meeting applicable emission standards and are exempt from the Clean Air Act tampering prohibition.

2. www.epa.gov › ve-certification › vehicle-and-engine-alternative-fuel-conversionsVehicle and Engine Alternative Fuel Conversions | US EPA

   www.epa.gov › ve-certification › vehicle-and-engine-alternative-fuel-conversions

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   16 Οκτ 2024 · EPA's Final Rule for Clean Alternative Fuel Vehicle and Engine Conversions spells out processes through which conversion manufacturers may demonstrate compliance with vehicle and engine emissions requirements. The processes differ depending on the age of the vehicle or engine to be converted.

3. transportproject.org › wp-content › uploadsGuide to Safe CNG Vehicle Conversions - Transport Project

   transportproject.org › wp-content › uploads

   Conversion systems installed on newer model vehicles must be certified to EPA standards or approved by the California Air Resources Board in some cases. Older vehicles do not have to be certified but still must be compliant with U.S. EPA emission regulations.

4. transportproject.org › have-your-vehicle-converted-to-compressed-natural-gas-safelyHave your Vehicle Converted to Compressed Natural Gas – SAFELY

   transportproject.org › have-your-vehicle-converted-to-compressed-natural-gas-safely

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   23 Οκτ 2024 · OEM certified CNG vehicles have special components (such as hardened valve seats and valves) but most converted vehicle engines do not. Generally speaking, OEM engine manufacturers may not honor the engine warranty against wear of valves in gasoline engines that are converted to CNG.

5. www.epa.gov › sites › productionClean Alternative Fuel Vehicle and Engine Conversions Final Rule

   www.epa.gov › sites › production

   Adopted certification process designed for original vehicle/engine manufacturers. EPA proposed updated regulations in May 2010. Final rule published on April 8, 2011 and is now effective. Key Features of New Regulation. Scope. Fuel neutral – covers all fuels (gaseous, alcohol, electricity, etc)

6. afdc.energy.gov › vehicles › natural-gas-conversionsNatural Gas Vehicle Conversions - Alternative Fuels Data Center

   afdc.energy.gov › vehicles › natural-gas-conversions

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   Vehicle conversions in the United States require EPA certification, and a QSR should perform the installation. See the AFDC's Conversions page for information on regulations, codes, and standards that apply to all alternative fuel and advanced vehicle conversions.

7. wiki.unece.org › download › attachmentsNew U.S. EPA Policies for Vehicle/Engine Conversions to Clean ...

   wiki.unece.org › download › attachments

   • New rules no longer require converters to renew certificates • New testing options for select heavy-duty vehicles (< 14K GVWR) • New rule creates Intermediate Age and Outside Useful Life programs which require basic check on functionality of OBD system when operating on the alternative fuel in lieu of certification like OBD demo