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MIT/UC Davis professors challenge claims that ethanol production decreased gasoline prices in 2010 and 2011

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Knittel/Smith results for implied gasoline price effects from elimination of ethanol for 2010 using Du/Hayes model and pooled-sample estimates. in 2010 and 2011, respectively. in 2010 and 2011, respectively. Results from Du/Hayes are indicated by the large square. Source: Knittel and Smith (2012). Click to enlarge.

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USDA study finds GHG from corn-based ethanol ~39% to 43% lower than from gasoline; reduction of >70% possible by 2022

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A new study released by the US Department of Agriculture (USDA) finds greenhouse gas emissions from corn-based ethanol are about 39% lower than gasoline. The study also states that when ethanol is refined at natural gas-powered refineries, the greenhouse gas emissions are even lower—around 43% below gasoline. Searchinger et al.

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Argonne report on characteristics of light-duty plug-in electric vehicles in US

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A new report from a team at Argonne National Laboratory examines the changing characteristics for light-duty plug-in electric vehicles (PEVs) from 2010-2021, evaluating range, energy efficiency, costs, and performance. billion miles, offsetting 700 million gallons of gasoline. More than 2.1 In 2021, PEVs used 6.1 Gohlke et al.

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EIA: US energy-related CO2 fell by 2.8% in 2019, slightly below 2017 levels

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US energy-related CO 2 emissions declined by 2.8% in 2019 to 5,130 million metric tons (MMmt), according to data in the US Energy Information Administration’s (EIA) Monthly Energy Review. in 2019, and gross domestic product, which increased by 2.3% in 2019, and gross domestic product, which increased by 2.3%

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EIA expects US petroleum trade to shift toward net imports during 2022

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In 2021, the United States returned to importing more petroleum (which includes crude oil, refined petroleum products, and other liquids) than it exports following its historic shift to being a net exporter of petroleum in 2020, according to the US Energy Information Administration (EIA). million b/d. million b/d in 2022 and 3.8

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Global biofuels production up 17% in 2010 to hit all-time high of 105 billion liters

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World ethanol and biodiesel production, 1975-2010. Global production of biofuels increased 17% in 2010 to reach an all-time high of 105 billion liters (28 billion gallons US), up from 90 billion liters (24 billion gallons US) in 2009. —Alexander Ochs, Director of Worldwatch’s Climate and Energy Program.

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New Fischer-Tropsch reactor configuration to optimize gasoline production

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The concept (FMFMDR) produces gasoline from synthesis gas. A paper on their work is in press in the journal Energy. They have been compared in terms of temperature, gasoline and CO 2 yields, H 2 and CO conversions and the water permeation rate through the membrane layer. —Rahimpour et al. Rahimpour, A. Mirvakili, K.

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