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CMU study finds that HEVs and PHEVs with small battery packs offer more emissions and oil displacement benefits per dollar spent than large pack PHEVs and BEVs; policy implications

Green Car Congress

Value of life-cycle emissions externality damages and oil premium costs from vehicles in 2010 $. Strategies to promote adoption of hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs) with small battery packs offer more social benefits (i.e., Michalek et al. Click to enlarge. Michalek and colleagues.

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Study finds PHEVs will reduce net emissions of CO2 and NOx; upward pressure on SO2

Green Car Congress

Net emissions resulting from the use of plug-in hybrid electric vehicles (PHEVs) depend on the efficiency of the conventional vehicle fleet; PHEV CD (all-electric, charge-depleting mode) efficiency; charging strategy; battery pack capacity; driving patterns; and generator mix used for charging. Scott Peterson, J. emissions.

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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

Green Car Congress

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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Argonne Lifecycle Analysis Calculates WTW Petroleum Energy Use and GHG Emissions for PHEVs Fueled With Petroleum, E85 and Hydrogen

Green Car Congress

Compared to an internal combustion vehicle fueled with gasoline, PHEVs that employed petroleum fuels (gasoline and diesel) offered a 40-60% reduction in petroleum energy use and a 30-60% reduction in GHG emissions. PHEVs fueled by E85 offered a 70-90% reduction in petroleum energy use and a 40-80% reduction in GHG emissions.

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EIA Energy Outlook 2013 reference case sees drop in fossil fuel consumption as use of petroleum-based liquid fuels falls; projects 20% higher sales of hybrids and PHEVs than AEO2012

Green Car Congress

Increased sales for hybrids and PHEVs. AEO2013 offers a number of other key findings, including: Crude oil production , especially from tight oil plays, rises sharply over the next decade. Domestic oil production will rise to 7.5 Biofuels grow at a slower rate due to lower crude oil prices and. Overall findings.

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MIT and IEA reports take different views of the future of natural gas in transportation

Green Car Congress

On a life-cycle basis this advantage is reduced, the MIT report notes, because the GHG emissions in production and distribution, including methane leakage, are greater for natural gas than for oil products. million bpd of oil. In 2020, CNG cars are expected to emit less CO 2 per km than PHEVs in all the regions shown in Figure 3.7,

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

Green Car Congress

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. High quality diesel fuel can be produced from natural gas (GTL) and coal (CTL). Source: EUR 26236 EN - 2014 Click to enlarge. Earlier post.).

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