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Analysis of the Effect of Eco-driving with Early Shift-up on Real-world Emission
Technical Paper
2010-01-2279
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
For the reduction of greenhouse gas emission in the
transportation sector, various countermeasures against CO₂ emission
have been taken. The eco-driving has been paid attention because of
its immediate effect on the CO₂ reduction. Eco-driving is defined
as a driving method with various driving techniques to save fuel
economy. The eco-driving method has been promoted to the common
drivers as well as the drivers of carriers. Additionally, there are
many researches about improvement of fuel efficiency and CO₂
reduction. However, the eco-driving will have the reduction effect
of CO₂ emission, the influence of the eco-driving on air pollutant
emission such as NOx is not yet clear.
In this study, the effect of the eco-driving on real-world
emission has been analyzed using the diesel freight vehicle with
the on-board measurement system. In the test, two drivers drove the
one diesel freight vehicle in the same route; one driver drove the
vehicle normally, and another one drove it with the early shift-up
driving. The CO₂ reduction effect by the early shift-up driving was
examined, as the same time, NOx emission behavior was compared
between the driving with and without the early shift-up
driving.
As a result of the on-road driving test under the urban driving
condition, the early shift-up driving had a sufficient effect on
CO₂ reduction and fuel efficiency improvement. However, the early
shift-up driving caused an increase of NOx emission. This result is
largely concerned with the engine operating region, such as engine
speed and engine torque.
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Citation
Sato, S., Suzuki, H., Miya, M., and Iida, N., "Analysis of the Effect of Eco-driving with Early Shift-up on Real-world Emission," SAE Technical Paper 2010-01-2279, 2010, https://doi.org/10.4271/2010-01-2279.Also In
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