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New study finds gasoline stations vent up to 10x more benzene fumes than previously thought

Green Car Congress

The findings appear in the journal Science of the Total Environment. By comparison, the California Air Pollution Control Officers Association (CAPCOA) used an estimate of 0.11 At gas stations, fuel vapors are released into the atmosphere from storage tanks through vent pipes. pounds and 1.7 pounds per 1,000 gallons. 2018.09.303.

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Volkswagen presents status of fleet study in electromobility; latest generation of twïnDRIVE plug-in hybrid

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Volkswagen, in cooperation with 6 project partners and the German Ministry of the Environment, presented in Berlin the current status of the “Fleet study in electric mobility” that was initiated in July 2008. Based on guidelines for determining the fuel consumption of plug-in hybrids, a fuel consumption value of 2.1 Click to enlarge.

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PNNL study outlines requirements for grid storage, reviews four electrochemical energy storage systems: vanadium redox flow, Na-beta, Li-ion and lead-carbon

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However, while a number of potential technologies for EES exist, and some have been applied or demonstrated, they face either challenges in meeting the performance and economic matrix for the stationary applications, or limits in environment, site selection, and so on, Yang et al. Credit: ACS, Yang et al. Click to enlarge. Click to enlarge.

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NREL: battery second use offsets EV expense, improves grid stability; recommendations

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In comparison to automotive service, use in this application will entail relatively benign duty cycles, generally much less than one cycle per day with discharge durations of greater than one hour. Guidelines should be defined for minimum required system durations in these roles.

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Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

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Appendix B: Car of the Future: A Comparison of Alternative Vehicles. It is alarming to see comparisons of the Chevrolet Volt PHEV with battery electric cars when the comparison focuses only on the electric range and ignores the other important differences. More information on e-mile comparisons is given by Reference Nº 2.

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