USA (EPA) - Listing of HFO-1234yf Under the Significant New Alternatives Policy Program for Motor Vehicle Air Conditioning in Nonroad Vehicles and Servicing Fittings for Small Refrigerant Cans
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In December 2021, EPA issued an update on Protection of Stratospheric Ozone by listing HFO-1234yf under the Significant New Alternatives Policy Program for Motor Vehicle Air Conditioning in Nonroad Vehicles and Servicing Fittings for Small Refrigerant Cans.
Proposed rule - Pursuant to the EPA's Significant New Alternatives Policy program, this action proposes to list the refrigerant 2,3,3,3-tetrafluoroprop-1-ene, also known as HFO-1234yf or R-1234yf, as acceptable, subject to use conditions, in the motor vehicle air conditioning end-use for certain types of newly manufactured nonroad (also called off-road) vehicles, which includes some vehicles that are also considered heavy-duty vehicles. EPA is also proposing to adopt the current versions of the industry safety standards SAE J639, SAE J1739, and SAE J2844 by incorporating them by reference into the use conditions for the proposed listings in nonroad vehicles and previous listings for certain onroad vehicles covered in final rules issued separately in March 2011.
Proposed date of adoption: To be determined
Proposed date of entry into force: To be determined
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