Diesel Programs and Activities

This page last reviewed January 25, 2010

The Air Resources Board is dedicated to achieving emission reductions from diesel sources. Below are website links to categories of diesel-related sources to help you navigate this large area of our website. Also, please consider joining one or more of ARB's diesel related e-lists.

  Diesel Health Effects
In 1998, California identified diesel exhaust particulate matter (PM) as a toxic air contaminant based on its potential to cause cancer, premature death, and other health problems. Diesel engines also contribute to California's fine particulate matter (PM 2.5) air quality problems. Those most vulnerable are children whose lungs are still developing and the elderly who may have other serious health problems.
  Mobile Vehicles and Equipment
Mobile sources include on-road vehicles (trucks, buses, etc.) off-road vehicles and equipment (locomotives, tractors, cargo handling equipment, construction equipment, etc.) and marine vessels (recreational watercraft, commercial harbor craft, and ocean-going vessels).
air compressor   Stationary Engines and Portable Equipment
Stationary engines are used in emergency-standby generators, prime generators, and agricultural irrigation pumps. This area also contains information on portable equipment, such as portable generators and pumps, and transport refrigeration units (TRUs).
diesel nozzle   Diesel Fuels
In addition to diesel fuels, this area also includes information regarding alternative diesel fuels.
  Certifications/Verifications and Related Links
Go here for information regarding our Aftermarket Parts, On-road and Off-road Certification programs and our Verification of Diesel Emission Control Strategies (DECS).
  Related Programs, Plans, & Other Topics
Additional links for related programs, such as Goods Movement, Railyards, the Diesel Risk Reduction Plan, Carl Moyer Program and Airborne Toxic Control Measures, Research Activities, Credits & Incentives, and Enforcement Activities, just to name a few.


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