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The California Air Resources Board (ARB) recommends that
transport refrigeration unit (TRU or reefer) owners take action
to plan and order compliance options to ensure TRU model year
2006 engines (or units manufactured in 2006) comply with in-use
performance standards by the end of 2013. 

All model year 2005 and older TRU engines (or units manufactured
in 2005 or earlier) should be in compliance now.  Please note
that trailer manufacture year and in-service dates are not used
to determine TRU compliance dates.  Noncompliant model year 2005
and older TRU engines/units must not be operated in California
unless they are brought into compliance immediately.

For model year 2006 engines/units, purchase orders must be placed
in the next few months for in-use TRU compliance technology to
qualify for a compliance extension.  The TRU Regulation allows
compliance extensions if delivery or installation is delayed;
but, to qualify for these extensions, the TRU must be registered
in ARB’s Equipment Registration (ARBER) system and purchase
orders must be placed early enough to take into account delivery,
installation, holiday, and year-end lead times.  The purchase
order deadlines are:

•	For engine repowers and TRU replacements:  By the end of August
-- four months ahead of the compliance deadline; and

•	For verified diesel particulate filter retrofits:  By the end
of October – two months ahead of the compliance deadline.

For model year 2006 engines/units, owners must make a good-faith
effort to comply by the end of 2013.  If in-use compliance cannot
be achieved by December 31, 2013, due to delays in delivery or
installation, reefer owners may apply for a compliance
extension.

To qualify for an in-use compliance extension, the reefer must be
registered in ARBER, purchase orders must be placed by the
purchase order deadlines listed above, and a compliance extension
application with attached supporting documentation must be
received at ARB by December 31, 2013.

Where can I get more information?

For general information about the TRU Regulation, the TRU Website
is at:  http://www.arb.ca.gov/diesel/tru/tru.htm

The ARBER registration website is at: 
http://www.arb.ca.gov/arber/arber.htm

ARBER Registration Help pages are at: 
http://www.arb.ca.gov/arber/trureg/trureg.htm

TRU Advisories are listed at: 
http://www.arb.ca.gov/diesel/tru/advisories.htm

TRU Compliance extension applications are at:
http://www.arb.ca.gov/arber/trureg/truextensions.htm

If you have questions about in-use performance standard
compliance, registration in ARBER, or in-use compliance
extensions, please call the TRU Help Line at 1-888-878-2826 or
call 1-916-327-8737.

Background:  TRUs are refrigeration systems powered by integral
diesel internal combustion engines designed to control the
environment of temperature-sensitive products that are
transported in trucks, trailers, shipping containers, and
railcars.  The emissions from these units are a source of
unhealthful air pollutants including particulate matter, toxic
air contaminants, nitrogen oxides, carbon monoxide, and
hydrocarbons, that all pose a potential threat to both public
health and the environment. These units often congregate in large
numbers at California distribution centers, grocery stores, and
other facilities where they run for extended periods of time to
ensure their perishable contents remain cold or frozen. These
distribution and loading facilities are often in close proximity
to schools, hospitals, and residential neighborhoods.  In 2004,
the TRU Airborne Toxic Control Measure (ATCM) was adopted by the
Board to reduce diesel particulate matter emissions from TRUs and
TRU gen set engines.  Amendments were adopted by the Board in
November 2010 and October 2011.