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Tsinghua University provincial-level lifecycle study finds fuel-cycle criteria pollutants of EVs in China could be up to 5x those of natural gas vehicles due to China’s coal-dominant power mix

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In regions where the share of coal-based electricity is relatively low, EVs can achieve substantial GHG reduction, the team reports in a paper in the ACS journal Environmental Science & Technology. According to the 12 th Five-Year Plan of the China Coal Industry (2011?2015) While the increases in PM 10 and PM 2.5

Coal 231
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Study concludes abundant shale gas is neither climate hero nor villain; need for targeted GHG reduction policy

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If natural gas is abundant and less expensive, it will encourage greater natural gas consumption and less consumption of fuels such as coal, renewables and nuclear power. Most evidence indicates that natural gas as a substitute for coal in electricity production, gasoline in transport, and electricity in buildings decreases greenhouse gases.

Climate 199
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IEA: carbon intensity of global energy supply has barely changed in last 20 years; “window of opportunity in transport”

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In a fairly bleak assessment of global progress towards low-carbon energy, the International Energy Agency (IEA) concluded that, despite a few bright spots such as the rapid expansion of renewable technologies and the growth of hybrid and EV sales, the progress is far below that required to achieve a 2 °C pathway—i.e., Source: IEA.

Carbon 265
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Geely invests in Carbon Recycling Intl.; vehicles fueled by methanol from CO2, water and renewable energy

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million in Carbon Recycling International (CRI). Methanol-powered vehicles are one pillar of Geely Auto’s diversified new-energy strategy, which also encompasses ethanol, CNG, gasoline-electric hybrid, plug-in hybrid, pure-electric, and extended-range solutions. Click to enlarge.

Renewable 150
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U. Mich study: natural-gas-based ICE, BEV and FCV all show promise for environmental benefits relative to conventional ICE

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The fleets studied are BEVs, using electricity generated from natural gas combined cycle (NGCC) power plants; CNGVs, which are internal combustion engine vehicles modified to burn compressed natural gas; and FCVs powered by hydrogen produced from steam methane reforming (SMR) of natural gas. —Dai and Lastoskie. Click to enlarge.

Gas 218
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Study Finds Availability of Low-CO2 Electricity and Hydrogen May Paradoxically Delay Large-Scale Transition to Electric and/or Hydrogen Vehicle Fleet

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Left, global light-duty fleet in the electric-favoring case; right, the hydrogen-favoring case. In both electric- and hydrogen-favoring cases, availability of low-carbon electricity and hydrogen prolonged the use of petroleum-fueled ICE vehicles. Top, without CCS and CSP; bottom, with CCS and CSP. Credit: ACS, Wallington et al.

Hydrogen 236
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Researchers describe the “where” and “when” of life cycle emissions from gasoline and ethanol in the US

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Researchers from the University of Minnesota have produced a spatially and temporally explicit life cycle inventory (LCI) of air pollutants from gasoline, ethanol derived from corn grain, and ethanol from corn stover for the contiguous US (the lower 48 states). Credit: ACS, Tessum et al. Click to enlarge. the contiguous US).

Gasoline 236