Modeling the Effects of Congestion on Fuel Economy for Advanced Power Train Vehicles

Modeling the Effects of Congestion on Fuel Economy for Advanced Power Train Vehicles

This paper describes research undertaken to establish plausible fuel-speed curves (FSC) for hypothetical advanced powertrain vehicles. These FSC are needed to account for the effects of congestion in long-term transportation scenario analysis considering fuel consumption and emissions. The results presented in this paper will assist analysis of the roles that vehicle technology and congestion mitigation can play in reducing fuel consumption and emissions from roadway travel.

Key findings

"Analysis of the FSC shows that advanced powertrain vehicles are expected to perform 502 better in congestion than ICE vehicles."

"Fuel efficiency increases for EV down to about 20-30 mph, below which it degrades."

"The modeled FSC show that advanced powertrain vehicles can reduce or reverse the fuel efficiency losses associated with typical roadway congestion."

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