Opportunity
Federal Register #EPAHQOAR20240503
EPA proposes HFO-1234yf refrigerant for heavy-duty vehicle air conditioning retrofits under SNAP program
Buyer
Environmental Protection Agency (EPA)
Posted
April 06, 2026
Respond By
May 06, 2026
Identifier
EPAHQOAR20240503
NAICS
541690
The Environmental Protection Agency (EPA) is seeking public comment on a proposed regulatory action under the Significant New Alternatives Policy (SNAP) program regarding refrigerants for heavy-duty vehicle air conditioning retrofits. - Government Buyer: - Environmental Protection Agency (EPA) - OEMs and Refrigerant Manufacturers Mentioned: - HFO-1234yf (2,3,3,3-tetrafluoropropene) - R-444A - R-456A - R-480A - Products/Services Requested: - Listing of HFO-1234yf (CAS Reg. No. 754-12-1, part number 754121) as an acceptable refrigerant for retrofitting air conditioning systems in heavy-duty pickup trucks and complete heavy-duty vans - No specific purchase quantities or direct procurement; this is a regulatory listing - Unique or Notable Requirements: - Use conditions include unique service port fittings and labeling requirements for HFO-1234yf - EPA clarifies that the proposed listing for R-444A applies only to heavy-duty pickup trucks and complete heavy-duty vans, not incomplete vans - Other refrigerants (R-456A, R-480A) remain unchanged in their proposed status - EPA is not reopening comment periods for other portions of the prior proposal - Place of Performance/Delivery: - EPA Headquarters, 1200 Pennsylvania Ave. NW, Washington, DC 20460 - Sector New York (federal office)
Description
The Environmental Protection Agency (EPA) proposes to list the refrigerant 2,3,3,3-tetrafluoropropene (HFO-1234yf) as acceptable, subject to use conditions, for motor vehicle air conditioning retrofits in heavy-duty pickup trucks and complete heavy-duty vans. This supplemental proposal clarifies and supplements the EPA's November 10, 2025, proposal regarding refrigerant listings for heavy-duty vehicle retrofits. The EPA invites public comment on the additional listing and clarifications, but is not reopening comment periods on other portions of the prior proposal. Comments are due by May 6, 2026, with a possible public hearing around April 21, 2026.