An official website of the United States government Here S hoKYOLknow United States EPA Environmental Protection Search EPAgov 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 Read the news release Learn more about the proposed rule for heavy-dutyvehicles and engines 1 2 | 3 Topics EPA IS Air quality EXIT Emergencies HIRING? Key