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schoolbus -- The Lower-Emission School Bus Program – Replacement Bus Emission Criteria – Effective January 1, 2014 to December 31, 2014

Posted: 30 Dec 2013 10:22:24
The California Air Resources Board (ARB) has posted Mail-Out #MSC
13-33, titled “The Lower-Emission School Bus Program –
Replacement Bus Emission Criteria – Effective January 1, 2014 to
December 31, 2014.”   ARB staff has reviewed executive orders for
2013 and 2014 model year school bus engines and determined that
although some buses will be available from manufacturers at less
than 0.50 gram per brake horsepower-hour (g/bhp-hr) for oxides of
nitrogen (NOx), a significant portion of new buses are expected
to remain at 0.50 g/bhp-hr. Therefore, in order to ensure that
sufficient new buses are available to replace older buses, ARB
maintains the 0.50 g/bhp-hr NOx and 0.01 g/bhp-hr particulate
matter maximum emission criteria for contracts executed through
calendar year 2014.

The Mail-Out may be found on ARB’s webpage at:
http://www.arb.ca.gov/bonds/schoolbus/advisory/advisory.htm .

For more information about the Lower-Emission School Bus
Program,
please go to:
http://www.arb.ca.gov/msprog/schoolbus/schoolbus.htm .

If you have questions regarding this Mail-Out, please contact Ms.
Kimya Lambert, Air Pollution Specialist, at (916) 323-2507, or
via email at klambert@arb.ca.gov .

Background:

The primary goal of ARB's Lower-Emission School Bus Program is to
reduce school children's exposure to both cancer-causing and
smog-forming pollution. The program provides grant funding for
new, safer school buses and to put air pollution control
equipment (i.e., retrofit devices) on buses that are already on
the road.


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