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On the hOrizOn Mobile Idle Reduction Technologies
Real world data for real world decisions
By Rebecca M. Brewster project involved working with fl eets reduction technologies, main engine
Guest writer identifi ed through a competitive process idling comprised from 5 to 22 percent
to demonstrate and evaluate mobile of total engine operating time. This
While we have yet to see diesel prices idle reduction technologies on heavy- represented a reduction in idling of 42
return to the highs experienced in 2008, duty trucks. Four different technologies to 78 percent from baseline conditions.
the Energy Information Administration were tested by the three fl eets selected: Idling continued to be highest during
(EIA) projects that the 2009 average Diversifi ed Transfer and Storage (MT), the hottest or coldest months, implying
price for diesel will be $2.48 per gallon NFI (NJ) and Schneider National that the selected technologies were less
and the early projections for 2010 call for (WI). The idle reduction solutions effective during extreme temperatures.
$2.94 per gallon. With the prospect of tested included two auxiliary power
higher diesel prices, identifying ways to units (APUs) and two air conditioning
As a result of the reduced idling, the
reduce consumption make sense for the systems.
environment also benefi ted. The
wallet as well as the environment.
estimated emission reductions from
After the carriers purchased and the use of the selected technologies
However, deciding which of the installed the selected idle reduction amounted to more than 27 tons per year
numerous products, technologies and technologies, ATRI worked closely with of NOx, 0.6 tons per year of PM and
equipment available to reduce diesel the participating fl eets to collect and 1,265 tons per year of CO2. Reductions
consumption make sense for your fl eet evaluate the performance data and ranged from 3.0 - 12.1 percent for NOx
can be challenging. The American analyses. Among the data provided emissions, 2.6 - 11.1 percent for PM
Transportation Research Institute (ATRI) to ATRI for analysis was historical emissions and 0.7 - 3.0 percent of CO2
has recently released the results of a baseline idling data, standard fl eet emissions.
U.S. Environmental Protection Agency- practices for minimizing idling and
sponsored demonstration project which monthly performance data for the trucks
As calculated by the participating
can help carriers evaluate potential involved in the demonstration. The
carriers, the payback periods for the
solutions. selected fl eets were also charged with
selected technologies were generally
documenting a cost-benefi t or payback
longer than anticipated. Payback
ATRI was selected by EPA to conduct an
periods ranging from 16 to 45 months
operational test of mobile idle reduction were identifi ed for some of the units
technologies. The demonstration With the deployment of the selected idle while other units were not expected to
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12 Roadwise | FebRuaRy/MaRch 2010 |
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