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DOE tool allows consumers to estimate localized upstream greenhouse gas emissions for EVs and PHEVs

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The US Department of Energy (DOE) has published a Beyond Tailpipe Emissions Calculator that provides estimates of total greenhouse gas (GHG) emissions associated with driving an electric vehicle (EV) or plug-in hybrid electric vehicle (PHEV), including emissions from the production of electricity used to power the vehicle.

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CMU study finds small battery PHEVs and gasoline hybrids the least-cost policy solution to reducing gasoline consumption

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Comparison of current federal subsidy to base case assumptions showing lifetime fuel savings (HomeEve charging scenario). An EPA estimate based on the Chevy Volt’s reported efficiency is also included for comparison. per gallon saved while subsidizing 16 kWh battery PHEVs at roughly $4.50 Earlier post.). Earlier post.).

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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. Natural gas does not offer climate benefits compared to gasoline and diesel, and many biofuel pathways do not, either. —“A global comparison of the life-cycle greenhouse gas emissions of combustion engine and electric passenger cars”. Source: The ICCT.

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Argonne study finds BEVs can have lowest scheduled maintenance costs, but highest cost of driving

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The hybrid-electric vehicle (HEV) and the plug-in hybrid-electric vehicle (PHEV) share costs with both the ICEV and the EV but save money on brake maintenance. After aggregating the cost components, the team calculated a lifetime TCO for comparison across vehicles of different types and attributes. Burnham et al.

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CMU analysis finds BEVs powered with natural gas-based electricity have about 40% of the lifecycle GHGs of a conventional gasoline vehicle

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According to a new lifecycle analysis by a team at Carnegie Mellon University, a battery electric vehicle (BEV) powered with natural gas-based electricity achieves around an average 40% lifecycle greenhouse gas (GHG) emissions reduction when compared to a conventional gasoline vehicle. Earlier post.). —Tong et al. 5b01063.

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New Gen 8 Volkswagen Golf offers five hybrid versions from 48V MHEV to PHEV

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The powertrain range of the new Golf features gasoline (TSI); diesel (TDI); natural gas (TGI); mild hybrid (eTSI); and plug-in hybrid drives (eHybrid). All gasoline and diesel engines are turbocharged direct injection units. Gasoline engines (TSI). They generate 66 kW/90 PS; 81 kW/110 PS; 96 kW/130 PS; and 110 kW/150 PS.

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German team develops novel technique to determine fuel quality in plug-in hybrids

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This tendency of fuel blends to form precipitates during long term storage could impact the operation of diesel plug-in hybrid vehicles (PHEV). Now, researchers in Germany hav devised a novel sensor for the onboard determination of fuel quality in diesel PHEVs to address these issues. (A —Eskiner et al.

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