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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. The report finds that CO 2 emissions rates and fuel economy values reflect a very favorable multi-year trend beginning in MY 2005. 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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Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

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Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Knittel, 2009. Click to enlarge.

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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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The US Energy Information Administration released its Annual Energy Outlook 2013 (AEO2013) Reference case (the Early Release ), which highlights a growth in total US energy production that exceeds growth in total US energy consumption through 2040. new appliance standards and CAFE) and changes in the way energy is used in the US economy.

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Proposed 5th edition of Worldwide Fuel Charter introduces new Category 5 for fuel efficiency and emission control

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For diesel fuel, this category establishes a high quality hydrocarbon-only specification that takes advantage of the characteristics of certain advanced biofuels, including hydrotreated vegetable oil (HVO) and biomass-to-liquid (BTL), provided all other specifications are respected and the resulting blend meetes defined legislated terms.

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EPA Report Finds Significant Opportunity to Reduce GHG Emissions Through Materials and Land Management Practices

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The Land Sink, represented by the outer ring, offset the equivalent of 13% of total US anthropogenic emissions in 2006. The entire pie chart represents total US emissions in 2006; the inner portion of the pie chart represents net emissions. US GHG emissions allocated to systems, and by materials and land management.

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Perspective: A View Into the New GM

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The morning session started out with an hour long press conference, the highlight being the unveiling of the Volt’s 230 mpg preliminary EPA city fuel economy finding ( earlier post ), as well as a tour showing selected elements from the studios of the four GM North American brands: Chevrolet, GMC, Buick and Cadillac. Click to enlarge.

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EPA Approves On-Road Testing for Hydrous Ethanol Blends

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Under the test program, the first of its kind in the US, Renergie will use variable blending pumps, not splash blending, to precisely dispense hydrous ethanol blends of E10, E20, E30, and E85 to test blend optimization with respect to fuel economy, engine emissions, and vehicle drivability. Earlier post.).

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