Mobile Sources Program Portal

This page last reviewed August 21, 2014

Background:

ARB is responsible for developing statewide programs and strategies to reduce the emission of smog-forming pollutants and toxics by mobile sources. These include both on- and off-road sources such as passenger cars, motorcycles, trucks, busses, heavy-duty construction equipment, recreational vehicles, marine vessels, lawn and garden equipment, and small utility engines.

Please select one of the following five major stakeholder categories or click on our A - Z Index to navigate this website.

• Consumers
• Vehicle / Equipment Operators
• Manufacturers
• Advanced Clean Cars
• Technology and Fuels Assessments

For more information, please click on any of the above areas, or visit our Contacts webpage, or you may call toll-free 1-800-242-4450. For any diesel related inquiries, please call 1-866-6DIESEL (or 1-866-634-3735).

To keep informed of ARB activities, please consider joining one or more of the ARB's Mobile Sources Related E-mail Lists.

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