An official website of the United States government Here $ howYOUknow United EPA Environmental Protection Search EPA.gov Agency Environmental Topics Laws & Regulations Report a Violation About EPA CONTACT US U.S. Environmental Protection Agency High St Washington St EPA Proposes Stronger Standards for Heavy-Duty Vehicles to Promote Clean Air These new standards will drastically cut dangerous pollution by harnessing recent advancements in vehicle technologies from across the trucking industry as it advances toward a zero-emissions transportation future_ Readthe news release Learn more about theproposed rulefor heavy_dutyvehiclesandengines Topics EPA IS Air quality EXIT Emergencies HIRINGI States Key