United States Department of Transportation
i
0-6629 : Texas specific drive cycles and idle emissions rates for using with EPA's MOVES model, [project summary].
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2013-08-01
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[PDF-107.68 KB]
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Abstract:The U.S. Environmental Protection Agency’s
newest emissions model, Motor Vehicle Emission
Simulator (MOVES), enables users to use local
drive schedules(representative vehicle speed
profiles) in order to perform an accurate analysis
of emissions from vehicles. However, only the
national average drive schedules are currently
included in the default database of the model.
The cold start and idling emissions and activity
data of heavy-duty diesel vehicles (HDDVs) that
are included in the MOVES model are based on a
very limited number of data sources, even
though they are important components of the
total on-road mobile source emissions inventory.
This research provides local drive schedules for
different regions of Texas for different vehicle
classes and roadway types, as well as cold start
and idling emissions rates for heavy-duty diesel
trucks. The research also compares estimated
emissions from MOVES for a sample of vehicles
to real-world in-use emissions measurements.
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