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Rhodium Group estimates US GHG fell 2.1% in 2019, driven by coal decline

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The Rhodium Group, an independent research provider, estimates that, after a sharp uptick in 2018, US greenhouse gas (GHG) emissions fell by 2.1% This decline was due almost entirely to a drop in coal consumption. Coal-fired power generation fell by a record 18% year-on-year to its lowest level since 1975. Coal-driven decline.

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EPA GHG Inventory shows US GHG down 1.7% y-o-y in 2019, down 13% from 2005

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Total GHG emissions decreased from 2018 to 2019 by 1.7% (after accounting for sequestration from the land sector). from 2018 to 2019, and CO 2 emissions just from fossil fuel combustion decreased 2.7% from 2018 to 2019. The number of vehicle miles traveled (VMT) by light-duty vehicles (i.e., CO 2 emissions decreased 2.2%

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EIA projects US energy-related CO2 emissions to remain near current level through 2050; increased natural gas consumption

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In 2018, the transportation sector’s consumption accounted for 78% of US CO 2 emissions from petroleum and more than one-third of all US energy-related CO 2 emissions. Natural gas surpassed coal to become the most prevalent fuel used to generate electricity in the United States in 2016.

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UCSD team sheds light on mechanism of sulfur embrittlement of nickel

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Engineers at the University of California San Diego have shed new light on the atomic-level mechanism of the sulfur embrittlement of nickel, a classic problem that has puzzled the scientific community for nearly a century. —Jian Luo.

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EIA projects decline in transportation sector energy consumption through 2037 despite increase in VMT, followed by increase

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Specifically, AEO2019 projects that: Increases in fuel economy standards temper growth in US motor gasoline consumption, which decreases by 26% between 2018 and 2050. Light-duty vehicle miles traveled increases by 20% in the Reference case, growing from 2.9 trillion miles in 2018 to 3.5

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EIA: light duty vehicle energy consumption to drop 25% by 2040; increased oil production, vehicle efficiency reduce US oil and liquid imports

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Energy consumption by light-duty vehicles in the United States, AEO2013 and AEO2014, 1995-2040 (quadrillion Btu). This resulted in the significantly lower level of VMT growth after 2018 compared with AEO2013. Natural gas overtakes coal as the largest fuel for US electricity generation. quadrillion Btu in 2012 to 12.1

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WVU opens new research facility to extract valuable rare earth elements from acid mine drainage

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West Virginia University (WVU) researchers are opening a new facility to capture rare earth elements (REEs) from acid mine drainage (AMD) from coal mining. Additional processing and refining separates the oxides from their tight bonds and further groups them into light rare earths and heavy rare earths. —Paul Ziemkiewicz.