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EPA: US greenhouse gases dropped 3.4% in 2012 from 2011; down 10% from 2005 levels

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decrease in 2012 from 2011. According to the report, GHG emissions in 2012 showed a 10% drop below 2005 levels, and were only slightly above the emissions in 1994 (6,520 million metric tons). From 2011 to 2012, these emissions decreased by 198.8 Click to enlarge. The Inventory of U.S. Source: EPA. Click to enlarge. —a 6.9%

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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%. Emissions in 2011 were 526 million metric tons (9%) below the 2005 level. mpg) from 2010 to 2011.

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EPA annual US GHG inventory shows 1.6% drop in 2011 from previous year; transportation CO2 down 1.1%

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Total US greenhouse gas emissions by economic sector in 2011. decrease in 2011 from the previous year. GHG emissions in 2011 showed a 6.9% drop below 2005 levels. Total emissions of the six main greenhouse gases in 2011 were equivalent to 6,702 million metric tons of carbon dioxide. million metric tons in 2011.

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Report finds that total transportation energy demand in California in 2050 could be reduced 30% relative to 2005

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Total transportation fuel use in California broken down by subsector and fuel type for each scenario: business-as-usual (BAU); plug-in electric vehicles (PEVs); and combined PEVs and fuel cell vehicles (FCVs). Source: Yang et al. Click to enlarge. —Yang et al. Maximum fleet share for PEVs appears to be limited due to two factors.

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Cella Energy Ltd named UK winner for Shell Springboard Awards 2011 for novel solid-state hydrogen storage technology

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Cella Energy, developer of a novel hydrogen storage technology ( earlier post ), was named the UK winner for the Shell Springboard Awards 2011. Storing hydrogen in this way means that it can be safely transported in micro-bead form, opening the door to it being available at gasoline stations for consumers.

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EPA annual report on CO2, fuel economy and technology trends finds 2012 heading for all-time best; rapid adoption of new technologies

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Adjusted CO 2 emissions and adjusted fuel economy, MY 1975-2011. Data for MY 2011 are final; data for MY 2012 are preliminary and based on projected vehicle production values provided to EPA by manufacturers. The fleet-wide average real world MY 2011 personal vehicle CO 2 emissions value is 398 g/mi and average fuel economy is 22.4

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EIA Energy Outlook 2013 reference case sees drop in fossil fuel consumption as use of petroleum-based liquid fuels falls; projects 20% higher sales of hybrids and PHEVs than AEO2012

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Transportation sector gasoline demand declines. Among its many findings, the Reference case suggests that US primary energy consumption will grow by 7% from 2011 to 2040 to 108 quadrillion Btu. However, energy use per capita declines by 15% from 2011 through 2040 as a result of improving energy efficiency (e.g.,

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