One Year Later: 2007 Diesel Emission Standards Implications for Fleet Operators
Since Jan. 1, 2007, the Environmental Protection Agency (EPA) has mandated that all diesel engines used in heavy-duty highway vehicles comply with more stringent emission standards. Specifically, the EPA has defined “heavy-duty highway vehicles” as vehicles of gross vehicle weight ratings (GVWR) above 8,500 lbs. (above 14,000 lbs. in California). Personal transportation vehicles up to […]