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hdghg -- Tractor-Trailer Greenhouse Gas Regulation Clarification of Low Rolling Resistance Tire Requirements for 2010 Model Year and Older Tractors

Posted: 02 Oct 2012 13:40:37
The California Air Resources Board has issued Advisory Mail-Out
MSC# 12-19 to explain how the low rolling resistance tire
requirements for 2010 and older model year tractors will be
implemented. The Advisory notifies owners of 2010 and older
affected tractors that these tractors must comply with the
January 1, 2013, tires deadline by using SmartWay verified tires
(new or retread).  However, the Advisory also clarifies that
owners may continue to use non-SmartWay verified tires
manufactured before January 1, 2013, until the end of the tires
useful tread life, or until January 1, 2015, whichever comes
first.  Any new or retreaded tire manufactured and installed on
an affected tractor after January 1, 2013, must be a SmartWay
verified tire.  After January 1, 2015, all tires on affected
tractors must be SmartWay verified. 

Background

The Tractor-Trailer GHG Regulation (regulation) applies to
53-foot or longer dry van or refrigerated van trailers (box-type
trailers) and the tractors that pull them on California highways.
 The regulation requires tractor-trailers operating in California
to use tractors and box-type trailers that utilize certain
aerodynamic equipment and low rolling resistance tires, as
verified by the U.S. EPA SmartWay program, to meet specified fuel
efficiency improvements.

The regulation requires owners of affected tractors to meet the
following tire requirements: 
	2011 model year and newer affected tractors (sleeper cabs and
day cabs) must use SmartWay verified low rolling resistance new
tires or SmartWay verified retread tires beginning in 2010.
	2010 model year and older affected tractors must use SmartWay
verified low rolling resistance new tires or SmartWay verified
retread tires by January 1, 2013.

The Advisory clarifies that 2010 model year and older affected
tractors using tires that are not SmartWay verified and were
manufactured or retreaded prior to January 1, 2013 (as determined
by the U.S. Department of Transportation DOT date stamp on the
sidewall) may continue to use those tires until the end of their
useful tread life, or until January 1, 2015, whichever comes
first.  After January 1, 2013, any tire on an affected tractor
that must be replaced or retreaded must be a SmartWay verified
low rolling resistance tire.

For further information about the regulation, Advisory Mail-Out
12-19, training, outreach efforts, compliance tools, or the full
text of the Tractor-Trailer GHG Regulation, please visit
http://www.arb.ca.gov/msprog/truckstop/truckstop.htm or
http://www.arb.ca.gov/cc/hdghg/hdghg.htm or call 866 6DIESEL (866
634-3735), or email us at 8666diesel@arb.ca.gov.

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