September 29, 2011
Under legislation that was recently signed into law, school buses manufactured on or after Jan. 1, 2007, and school buses manufactured prior to Jan. 1, 2007, that have been installed with closed crankcase technology can remain in service for 15 years, which is up from 12 years. The law does not apply to transit-style school buses whose gross vehicle weight exceeds 25,000 pounds and Type S school buses.