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

Green Car Congress

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, CO 2 emissions from petroleum fuels—nearly half of which are associated with motor gasoline consumption—fell by 0.8%, and CO 2 emissions from the use of natural gas increased by 3.3%.

2019 273
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Lawrence Livermore publishes state-by-state energy/water Sankey diagrams

Green Car Congress

For the first time, Lawrence Livermore National Laboratory (LLNL) has published state-by-state energy and water Sankey diagrams in one location so that analysts and policymakers can find all the information they need in one place. Some water resources also flow up to energy resources (petroleum, biomass, natural gas, and coal).

Water 231
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How Efficient Is Your EV? It’s Complicated

Cars That Think

With motor sports moving hard and fast toward electric drive, a friend recently told me that electric drag-car racing just wouldn't be the same without the deafening roar of combustion engines and the smell of "nitro" fuel. With electric vehicles, however, calculating efficiency is not so simple. She's 90 years old.

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EIA: US energy-related CO2 emissions down 2.4% in 2011 while GDP rose

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The US Energy Information Administration (EIA) reported that after an increase in 2010 of 3.3%, energy-related carbon dioxide emissions in the US in 2011 decreased by 2.4% (136 million metric tons), while GDP grew by 1.8%. In 2010, the price of regular gasoline averaged $2.78 mpg) from 2010 to 2011. per gallon.

2011 231
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EIA Projects 5% Decrease in Fossil-Fuel-Based CO2 Emissions in 2009; Little Change in Emissions from Gasoline

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In its current version of the Short Term Energy Outlook ( STEO ), the US Energy Information Administration projects a 5% decline in fossil-fuel-based CO 2 emissions in 2009. The decrease was driven by the economic downturn, combined with a significant switch from coal to natural gas as a source of electricity generation, according to the EIA.

2009 220
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Univ of Toronto study details impacts of interaction between driving patterns and electricity generation for WTW energy use and GHG emissions for PHEVs

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Solid portions represent GHG emissions associated with gasoline propulsion. Patterned portions represent GHG emissions associated with electric propulsion. Solid left bar = hydro electricity scenario.) First, driving distance determines the proportions of electricity and gasoline consumed by the PHEV.

PHEV 210
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Researchers describe the “where” and “when” of life cycle emissions from gasoline and ethanol in the US

Green Car Congress

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). Efficiencies and emissions factors reported are for year 2010.

Gasoline 236