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Tsinghua/Argonne Study Finds That Mass Use of EVs in China Could Result in Higher CO2 and Criteria Pollutant Emissions Than Conventional and Hybrid Gasoline Vehicles Due to Coal-Fired Generation of Electricity

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Fuel-cycle SO 2 emissions of EVs compared to those of gasoline ICEVs and HEVs in China, current (left) and future (right). The study examined the fuel-cycle CO 2 , SO 2 , and NO x emissions of EVs in China in both current (2008) and future (2030) periods and compared them with those of conventional gasoline vehicles and gasoline hybrids.

Coal 291
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EIA: US energy-related CO2 dropped 2.7% in 2015; of end-use sectors, only transportation increased

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Of the four end-use sectors, only transportation emissions increased in 2015 (+2.1%). Specific circumstances, such as the very warm fourth quarter of 2015 and relatively low natural gas prices, put downward pressure on emissions as natural gas was substituted for coal in electricity generation. Electricity.

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US EIA Reports Record-setting 7% Overall Decline in US Carbon Dioxide Emissions in 2009; Transport Emissions Down 4.1%, Lowest Percentage Reduction of the End-UseSectors

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between 2008 and 2009. Carbon intensity changes in the electric power and industrial end use sectors. In 2009, the carbon intensity of the electric power sector decreased by nearly 4.3%, primarily due to fuel switching as the price of coal rose 6.8% The average decline in energy intensity from 2000 to 2008 was 2.0%.

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EIA reports 5.8% year-to-year decline in US GHG emissions in 2009; 4.3% drop in transportation sector although vehicle miles travelled increased

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VMT rose slightly in 2009 while emissions from gasoline and diesel fuel declined, a result EIA attributes as a likely result of more efficient vehicles and increased consumption of biofuels. per year from 1990 to 2008. Transportation. The electric power sector accounts for 40% of all energy-related CO 2 emissions.

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Annual Increase in Global CO2 Emissions Halved in 2008; Decrease in Fossil Oil Consumption, Increase in Renewables Share

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in 2008, against 3.3% In addition to high oil prices and the financial crisis, the increased use of new renewable energy sources, such as biofuels for road transport and wind energy for electricity generation, had a noticeable and mitigating impact on CO 2 emissions. billion tonnes in 2008. Source: PBL. Click to enlarge.

2008 170
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MIT and IEA reports take different views of the future of natural gas in transportation

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Although the reports both focus strongly on the increased use of natural gas in power generation, they also explore the likely impact of increased natural gas use on transportation. The MIT report, which is focused on the US, albeit within a global context, concludes that natural gas use in the transportation sector is likely to increase.

MIT 299
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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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Estimates of potential for gasoline consumption reduction in the US light duty fleet in 2020 and 2035 relative to 2007. For transportation, the report concludes that petroleum will continue to be an indispensable transportation fuel during the time periods considered. million barrels per day in 2008) will be challenging.

Coal 150