3900 Air Resources Board
Program Descriptions

15 - MOBILE SOURCE

The Mobile Source Program works to improve air quality by reducing emissions from internal combustion engines as follows:

  • Enforce laws and develop, implement and enforce regulations limiting emissions from new and in-use vehicles and other mobile sources and assess the effectiveness of established procedures.
  • Develop testing and evaluation procedures for vehicles, engines, emission control components, fuel additives and test equipment to ensure emission standards are met.