The use of these procedures regarding rules pertaining to the promulgation or revision of regulations and test procedures for new motor vehicles or engines is mandated by section 307(d)(1)(K) of the Clean Air Act.
The Clean Air Act does not effect older vehicles.
mnli hypothesis: The Clean Air Act does not effect older vehicles. premise: The use of these procedures regarding rules pertaining to the promulgation or revision of regulations and test procedures for new motor vehicles or engines is mandated by section 307(d)(1)(K) of the Clean Air Act.