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arbcombo -- Draft proposed amendments to the California small off-road engine test procedures

Posted: 12 Jul 2011 13:59:49
The Air Resources Board (ARB) has released a draft of the
proposed amendments to the small off-road engines (SORE)
regulation, effective on May 5, 2010. The draft proposal can be
found on the following webpage, 

The ARB is planning on proposing modifications to the California
SORE regulations in order to harmonization its test procedures
with the U.S. Environmental Protection Agency’s (U.S. EPA) rules.
 The proposal will sunset the current test procedures with the
2012 model year, and adopt portions of U.S. EPA’s Parts 1054 and
1065, of Title 40, Code of Federal Regulations (published on
November 8, 2010).  Because California has different air quality
goals than the rest of the country, some portions of Parts 1054
and 1065 have been either modified as necessary for California’s
purposes or excluded entirely.  For example, U.S. EPA and ARB
have different emission credit programs.  Accordingly, ARB has
excluded portions of U.S. EPA’s provisions that refer to their
credit program.  The ARB proposal is scheduled to be considered
for adoption at the December 2011 Board Hearing.  

In addition to proposing adoption of these harmonizing
modifications, ARB is proposing to change the SORE certification
exhaust test fuel to a ten-percent ethanol blend (E10).  This
change is being considered so that the certification test fuel
used for California’s off-road gasoline-fueled engine and
equipment categories remains consistent with the planned E10
changes to the on-road motor vehicle certification test fuel
requirements.  Please note that because the ARB is in only the
early stages of considering this modification, the attached
documents do not specifically reflect this proposed change. 
Nevertheless, we are seeking comments from interested parties on
this important issue.    

In order to satisfy the required deadlines that are involved in
this process, comments related to the draft proposed amendments
should be received by the close of business on Monday, August 8,
2011.  Please email comments to Ms. Yun Hui Park, Lead Staff, at
ypark@arb.ca.gov, with a copy to Mr. Ronald Haste, Manager,
Off-Road Control Section, at rhaste@arb.ca.gov. 

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