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University of Calgary Study Finds Large-Scale Adoption of PHEVs in Alberta Could Support Wind Power; PHEV GHG Benefits Range from 40-90% in Emissions Reduction

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The environmental benefit of a large-scale deployment of plug-in hybrid electric vehicles (PHEVs) in the Canadian province of Alberta could vary significantly, ranging from a 40% to a 90% reduction in greenhouse gases, according to a study by electrical engineers at the University of Calgary’s Schulich School of Engineering. Mahdi Hajian.

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Univ of Toronto study details impacts of interaction between driving patterns and electricity generation for WTW energy use and GHG emissions for PHEVs

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WTW GHG emissions of vehicles across driving patterns and PHEV charging scenarios. coal, hydro, natural gas) on well-to-wheel (WTW) energy use and greenhouse gas (GHG) emissions of plug-in hybrid electric vehicles (PHEVs). Their paper is published is the ACS journal Environmental Science & Technology. Click to enlarge.

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ICCT LCA study finds only battery and hydrogen fuel-cell EVs have potential to be very low-GHG passenger vehicle pathways

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This is especially important for assessing the GHG emissions of PHEVs. For battery EVs, the GHG emissions for “fuel/electricity” production are dominated by the coal and natural gas used in electricity generation. BEVs powered by renewable electricity and FCEVs fueled by green hydrogen are the only two technology pathways that qualify.

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National Research Council Report on Americas Energy Future Highlights Vehicle Efficiency Technologies, Conversion of Biomass and Coal-to-Liquids Fuels, and Electrifying the Light Duty Fleet with PHEVs, BEVs and FCVs

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However, the report concludes, initiating deployment of these technologies is urgent; actions taken—or not taken—between now and 2020 to develop and demonstrate several key technologies will largely determine the nation’s energy options for many decades to come. emissions, according to the report.

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JEC updates well-to-wheels study on automotive fuels and powertrains; electro-mobility, natural gas and biofuels

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They also note that large-scale production of synthetic fuels or hydrogen from coal or gas offers the potential for GHG emissions reduction—but only if CO 2 can be captured and stored. Producing synthetic gas (SNG) from wind electricity (e.g., High quality diesel fuel can be produced from natural gas (GTL) and coal (CTL).

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Swiss WTW study finds important role for alternative fuels as well as alt drivetrains in move to low-emissions vehicles

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WTW energy demand and GHG emissions for EV and PHEV drivetrains for various electricity sources; gasoline ICE vehicle is solid square, hybrid the hollow square. The study by a team at the Swiss Federal Institute of Technology Zurich, reported in the Journal of Power Sources , is novel in three respects, the researchers said.

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EIA projects decline in transportation sector energy consumption through 2037 despite increase in VMT, followed by increase

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However, US coal shipments, which are primarily via rail, decline slightly. Energy use per passenger-mile of travel in aircraft decreases because of the economically driven adoption of energy-efficient technology and practices. Freight rail ton-miles grow by 20% during the same period, led primarily by rising industrial output.