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Evaluation of the EPA’s Fiscal Years 2020–2023 National Compliance Initiative: Stopping Aftermarket Defeat Devices for Vehicles and Engines

Project #OSRE-FY21-0228, July 14, 2021

The OIG plans to begin an evaluation to examine the EPA’s actions related to its Fiscal Years 2020–2023 National Compliance Initiative: Stopping Aftermarket Defeat Devices for Vehicles and Engines.