San Francisco Department of the Environment

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Clean Vehicle Policies


Environmental Code, Chapter 4:  Healthy Air and Clean Transportation Program

Summary: Among other directives, promote the use of vehicles that have no or low emissions.


Low Emission Vehicle (LEV) Standards

Summary: Regulate maximum exhaust emissions for vehicles of Model Year (MY) 2004 and subsequent model year passenger cars, light-duty trucks, and medium-duty passenger vehicles. 

Vehicle Acquisition and Petroleum Reduction Requirements

Summary: State owned or leased vehicles that are capable of operating on alternative fuel must operate on that fuel, unless the alternative fuel is not available.

Zero Emission Vehicle (ZEV) Production Standards

Summary: Manufacturers with annual sales greater than 60,000 vehicles must produce a minimum percentage of ZEVs for sale in California. 


Emission Standards for New Motor Vehicles or New Motor Vehicle Engines

Summary: Standards will be established and updated periodically regarding the emission of any air pollutant from any new motor vehicles or new motor vehicle engines, which cause, or contribute to, air pollution that endangers public health or welfare.

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