The goal of the Collaborative is to leverage federal funds to strategically reduce emissions from the most polluting diesel sources in impacted
communities. The Collaborative seeks to improve air quality and public health by targeting the highest polluting engines with the most cost effective
control strategies.

DERA 2020:

Oregon Department of
Environmental Quality -
School Bus Retrofit and
Replacement Program

Under the Diesel Emission Reduction Act (DERA), the
U.S. Environmental Protection Agency (EPA) awarded
the Oregon Department of Environmental Quality a
$507,425 grant with Fiscal Year 2020 funding. The grant
will fund a school bus retrofit and replacement project to
support reduced emissions and improved air quality in
Oregon communities. The project will be implemented
with a cost share of $1,998,500 from the participating
school districts and $349,025 in funds from the State of
Oregon for a total project cost of $2,854,950.

What is the Project?

The Oregon Department of Environmental Quality (DEQ) will work
with qualifying Oregon school districts to upgrade or replace 15
diesel-powered school buses with newer, more fuel-efficient vehicles.
This program's efforts to retrofit and replace the old high-emitting
diesel-powered school buses of these partner school districts will
support reduced diesel emissions and improved air quality in Oregon
communities.

Why is this Project Important?

Diesel particulate matter represents an ongoing challenge for healthy
air quality within Oregon. According to the EPA's 2014 National Air
Toxics Assessment, the statewide concentration for diesel particulate
matter is 0.31 ug/m3, which exceeds the Oregon benchmark (0.1
ug/m3) for increased risk for cancer from exposure to diesel
particulate matter. Though school buses are not a primary contributor
of diesel particulate matter, they constitute a priority focus based on
exposure to children. In addition to contributing to pollution reduction,
this project will assist school districts in providing safer and healthier
transportation options for their students.

What are the Estimated Environmental
Benefits?

The retrofit and replacement of these school buses in Oregon
communities is projected to reduce annual diesel emissions of
particulate matter (PM) by 0.17 tons, nitrogen oxides (NOx) by 2.01
tons, hydrocarbons (HC) by 0.22 tons, and carbon monoxide (CO) by
0.93 tons. This will result in estimated cumulative emission
reductions of 0.513 tons of PM, 6.14 tons of NOx, 0.6 tons of HC,
and 2.73 tons of CO over the lifetime of these vehicles.

How is this Project Funded?

The West Coast Collaborative is a partnership between leaders from
federal, tribal, state, and local government, the private sector, and
environmental groups committed to reducing diesel emissions along
the West Coast and is part of the National Clean Diesel Campaign:
www.epa.gov/cleandiesel

Where can I find more information?

For more information on the West Coast Collaborative, please visit
our website at: www.westcoastcollaborative.org. For more
information about this project, please contact Sarah Frederick at
Frederick.Sarah@epa.gov


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