Heavy-Duty OBD and OBD II

On January 4, 2013, CARB posted the 15-day Notice of Public Availability of Modified Text and Availability of Additional Documents and Information and Modified Text for amendments to California’s HD OBD and OBD II requirements. The 15-day notice, proposed 15-Day Modifications, additional documents/information, and all previously released regulatory documents are available on

the ARB’s website below for this rulemaking at:

http://www.arb.ca.gov/regact/2012/hdobd12/hdobd12.htm

The proposed 15-day modifications and Additional Document are open for comment until January 25, 2013.