The eRulemaking Program

11/10/2025 | Press release | Distributed by Public on 11/10/2025 09:30

Risk Screen on Substitutes in Motor Vehicle Air Conditioning (Buses) (New Equipment); Substitute: HFO-1234yf (Solstice® yf or Solstice® 1234yf). (ICF, 2025p)

Significant New Alternatives Policy Program, Refrigeration and Air Conditioning Sector, Risk Screen on Substitutes in Motor Vehicle Air Conditioning (Bus) (New Equipment), Substitute, HFO-1234yf (Solstice® yf or Solstice® 1234yf) Final July 11, 2025

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