Hybrid Electric Vehicle Test Procedures

This page last reviewed September 23, 2008

The ARB is modifying the existing exhaust & evaporative test procedures for Light Duty & Medium Duty Hybrid Electric Vehicles (HEVs) to better characterize emissions from all types and architectures of Hybrid Electric Vehicles including Plug-In hybrids.  Information regarding this process and the proposed modifications are shown below.  To receive information on postings to this website please sign-up on the ZEV list serve.

The test procedure modifications for hybrid electric vehicles in the passenger car, light duty truck and medium duty vehicle classes and aftermarket parts certification requirements for off vehicle charge capable conversion systems have been delayed and will not be presented in a Public Hearing on October 23, 2008.  The rulemaking is tentatively scheduled for a Public Hearing during the December 11-12, 2008 Board Meeting. In addition, EV charging requirements will not be included in this rulemaking.  They will be considered in a future rulemaking which is not yet scheduled.

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September 24, 2008

July 16, 2008

April 8, 2008

If you have questions about the HEV test procedures, contact Lesley Crowell at 916.323.2913.


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