Obama administration announces first fuel economy standards for medium and heavy trucks

摘要

President Obama last month announced first-of-their-kind fuel efficiency standards for trucks, buses, and other heavy-duty vehicles.While initial reaction to the rules was largely positive, questions remain about the second phase of the program.The Environmental Protection Agency and the National Highway Traffic Safety Administration developed the standards for fuel economy and greenhouse gas emissions for medium and heavy trucks, starting in 2014. Trailers are not covered.