The California Air Resources Board has issued Regulatory Advisory
Mail-Out MSC# 12-26 to explain how the low rolling resistance
tire requirements of the regulation will be implemented for (1)
tractors that use 2 or more open shoulder drive tires and (2)
2011 and newer model year tractors and trailers that use
retreaded tires.
The regulation requires tractors that use 2 or more open shoulder
drive tires to use SmartWay verified low rolling resistance tires
by January 1, 2013. This advisory clarifies that tractors using
new non-SmartWay open shoulder drive tires that were manufactured
prior to January 1, 2013, can continue to use those tires for the
useful life of that tread, or until January 1, 2015, whichever
comes first. Any new open shoulder drive tire manufactured after
January 1, 2013, must be a SmartWay verified low rolling
resistance tire. This advisory also clarifies that tractors
using non-SmartWay open shoulder retreaded tires manufactured
prior to January 1, 2014, to continue to use those tires for the
useful life of that tread, or until January 1, 2016, whichever
comes first. Any open shoulder retreaded drive tire retreaded
after January 1, 2014, must be capped with a SmartWay verified
low rolling resistance retread material on any casing.
The regulation requires 2011 model year and newer tractors and
trailers to use SmartWay verified low rolling resistance tires
beginning January 1, 2010. This advisory clarifies that 2011
model year and newer tractors and trailers using retreaded tires
comprised of SmartWay casing capped with any retread material
prior to January 1, 2013, can continue to use those tires for the
useful life of the tread or until January 1, 2015 for tractors
and January 1, 2017 for trailers, whichever comes first. Any
tire retreaded after January 1, 2013 must be capped with a
SmartWay verified low rolling resistance retread material on any
casing.
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.
For further information about the regulation, advisories,
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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The energy challenge facing California is real. Every Californian
needs to take immediate action to reduce energy consumption. For
a list of simple ways you can reduce demand and cut your energy
costs, visit the Flex Your Power website at www.fypower.org .
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