2127-AM32 202204 Unified Agenda of Federal Regulatory and Deregulatory Actions 2127 National Highway Traffic Safety Administration NHTSA 2100 Department of Transportation DOT Corporate Average Fuel Economy (CAFE) Civil Penalties Economically Significant Previously Published in The Unified Agenda Completed Actions Yes No 49 CFR 578 delegation of authority at 49 CFR 1.95 No Interim Final Rule 01/14/2021 86 FR 3016 Interim Final Rule Comment Period End 01/14/2021 Interim Final Rule Effective 01/14/2021 Second NPRM 08/20/2021 86 FR 46811 Second NPRM Comment Period End 09/20/2021 Final Rule 04/01/2022 87 FR 18994 Final Rule Effective 05/31/2022 No No None No No www.regulations.gov www.regulations.gov No No Michael Kuppersmith 2127 National Highway Traffic Safety Administration NHTSA 202 366-9957 michael.kuppersmith@dot.gov 1200 New Jersey Avenue SE, Washington DC 20590