How to green Electric Vehicles

Jöhrens, Julius; Helms, Hinrich

doi:10.1109/ievc.2014.7056154

Cited by 2 publications

(1 citation statement)

References 7 publications

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“… 8 , 15 Governmental agreements between Sweden and Germany are already initiated with the aim of intensifying cooperation on ERS research. 16 Germany is considering overhead ERS technology that serves only heavy-duty vehicles, 17 whereas Sweden is still testing technologies that could serve different vehicle types. 18 The main driver for Sweden to implement the ERS technology is to promote the electrification of heavy-duty vehicles.…”

Section: Introductionmentioning

confidence: 99%

If Electric Cars Are Good for Reducing Emissions, They Could Be Even Better with Electric Roads

Morfeldt

Shoman

Johansson

et al. 2022

Environ. Sci. Technol.

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This research investigates carbon footprint impacts for full fleet electrification of Swedish passenger car travel in combination with different charging conditions, including electric road system (ERS) that enables dynamic on-road charging. The research applies a prospective life cycle analysis framework for estimating carbon footprints of vehicles, fuels, and infrastructure. The framework includes vehicle stock turnover modeling of fleet electrification and modeling of optimal battery capacity for different charging conditions based on Swedish real-world driving patterns. All new car sales are assumed to be electric after 2030 following phase-out policies for gasoline and diesel cars. Implementing ERS on selected high-traffic roads could yield significant avoided emissions in battery manufacturing compared to the additional emissions in ERS construction. ERS combined with stationary charging could enable additional reductions in the cumulative carbon footprint of about 12–24 million tons of CO 2 over 30 years (2030–2060) compared to an electrified fleet only relying on stationary charging. The range depends on uncertainty in emission abatement in global manufacturing, where the lower is based on Paris Agreement compliance and the higher on current climate policies. A large share of the reduction could be achieved even if only a small share of the cars adopts the optimized battery capacities.

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