Title: EPA finalizes regulations requiring onboard diagnostic systems on 2010 and later heavy-duty engines used in highway applications over 14,000 pounds; revisions to onboard diagnostic requirements for diesel highway heavy-duty applications under 14,000 pounds
Subjects: Automobiles, Motors, Computer control systems, Diesel motor exhaust gas, Diesel fuels, Trucks, Exhaust gas, Law and legislation, Air, Pollution, Standards
Places: United States