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onrdiesel -- Reporting Date Extension for the Truck and Bus Regulation

Posted: 23 Jan 2012 11:37:41
The January 31, 2012 reporting date is being extended to March
30, 2012 to give fleet owners more time to submit their fleet
information. Reporting is required for fleet owners to take
advantage of flexibility in the regulation.  This change does not
extend the PM filter and other compliance requirements that began
January 1, 2012.  For more information, please see the regulatory
advisory posted at: 
http://www.arb.ca.gov/msprog/mailouts/msc1202/msc1202.pdf

For further information about reporting, training, or compliance
tools, please visit our website at www.arb.ca.gov/dieseltruck, or
call 866 6DIESEL (866 634-3735), or email us at
8666diesel@arb.ca.gov.  

Background

On December 11, 2008, the Air Resources Board (ARB or Board)
approved for adoption the Truck and Bus regulation to control
emissions from nearly all existing diesel powered heavy-duty
trucks and buses operating in California.  The regulation became
effective under California law on January 8, 2010. On December 
17, 2010, the staff recommended amendments to the regulation that
were subsequently adopted by the Board on September 19, 2011. The
Office of Administrative Law approved the amendments on December
14, 2011 and the regulation became effective on the same day.

The amended Truck and Bus Regulation delays the initial
requirement to phase-in installation of PM filters by one year to
January 1, 2012 and extends the time before a vehicle equipped
with a PM filter would have to have an engine that meets 2010
model year emission standards.  The amendments also defer initial
engine replacements for older vehicles without PM filters for two
years until January 1, 2015 at the earliest.  Prior to 2020,
replacements are limited only to 20 year old or older trucks that
are not equipped with PM filters.  By January 1, 2023, most
vehicles will need to be equipped with an engine meeting 2010
model year emission standards.

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