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arbcombo -- Truck and Bus Regulation Online Reporting is Now Available

Posted: 14 Dec 2011 08:53:58
The online reporting system for the Truck and Bus regulation is
now available at:
http://www.arb.ca.gov/msprog/onrdiesel/reportinginfo.htm.  Please
note that fleets which must report have until January 31, 2012 to
complete their reporting.  Please refer to the Truck and Bus
Regulation User Guide at 
for more information on how to report.  There is no cost to

Please be aware that the reporting requirements for fleets differ
by gross vehicle weight rating (GVWR).  Specifically: 

HEAVIER VEHICLES (GVWR more than 26,000 lbs)

-  No reporting is required for diesel truck owners that comply
with the engine model year schedule and do not plan to use
credits, and extensions. A fact sheet with the compliance
requirements summary is available at 

-  Fleets that report by January 31, 2012 will have more
flexibility to bring heavier vehicles into compliance.

-  Small fleets with three or fewer diesel vehicles must report
all heavier trucks now if any have 1996 to 1999 model year
engines of if you are an owner operator with a heavier
low-mileage construction truck.  Otherwise, you may wait until
next year to report.

LIGHTER VEHICLES (14,001 to 26,000 lbs)

-  No reporting is required, as clean-up requirements do not
begin until January 1, 2015. 

Note that publicly and privately owned school buses have
different clean-up requirements than other vehicles and do not
need to be reported.  

For additional information about the compliance options and other
Truck and Bus regulatory requirements, please visit our web site
at: http://www.arb.ca.gov/dieseltruck or call us at 866-6DIESEL.


On December 11, 2008, the 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. The regulation applies to diesel fueled
trucks and buses with a gross vehicle weight rating (GVWR)
greater than 14,000 pounds that are privately owned, federally
owned, and to publicly and privately owned school buses.  Local
and state government owned diesel fueled trucks and buses are
already subject to other ARB regulations. Reducing emissions from
in-use trucks and buses is necessary to meet federally imposed
clean air standards and to reduce the adverse health effects from
truck and bus pollution.

On December 17, 2010, the staff recommended amendments, which are
presently pending adoption, that would delay the initial
requirement to install particulate matter (PM) retrofit filters
by one year to January 1, 2012 and extend 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 engine replacements for vehicles without PM filters
for two years until January 1, 2015.  Prior to 2020, replacements
are limited 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

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