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Obama Administration withdraws proposed rulemaking on strengthened ozone standards

Green Car Congress

In a statement released this morning, President Barack Obama said he has requested that US Environmental Protection Agency (EPA) Administrator Lisa Jackson withdraw the agency’s draft Ozone National Ambient Air Quality Standards (NAAQS) rulemaking. —President Obama. Earlier post.)

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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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Based on detailed model-level data for US light-duty vehicles from 1980 to 2006, a recent analysis by a UC Davis researcher found that if weight, horsepower and torque had been held at their 1980 levels, fuel economy for both passenger cars and light trucks could have increased by nearly 50% from 1980 to 2006.

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Rice/EPA study finds ground-level ozone falling faster than CMAQ model predicted

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Researchers from Rice University and the US Environmental Protection Agency (EPA) report in a paper in the journal Atmospheric Chemistry that particularly in Northeastern cities, ozone levels dropped even beyond what was anticipated by cutting emissions of NO x from 2002 to 2006. from 2002 to 2006. Earlier post.). —Daniel Cohan.

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New Arizona Governor May Scuttle Vehicle CO2 Rules

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Arizona Governor Jan Brewer, who replaced then-Governor Janet Napolitano when she moved to become Secretary of Homeland Security in the Obama Administration, may rescind Arizona’s Clean Cars rule that adopts the California standards before they come into effect. Azstarnet.com.

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EPA approves first applications for registration of ethanol to make E15

Green Car Congress

On 21 January 2011, EPA granted the second partial waiver for E15 for use in MY2001-2006 light-duty motor vehicles. To enable widespread use of E15, the Obama Administration has set a goal to help fueling station owners install 10,000 blender pumps over the next 5 years. Earlier post.).

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EPA proposes updates to annual PM2.5 national air quality standard

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hour fine particle standard of 35 µg/m 3 , which was set in 2006. While EPA cannot consider costs in selecting a standard under the Clean Air Act, those costs are estimated as part of the analysis undertaken for all significant regulations, as required by Executive Order 13563 issued by President Obama in January 2011.

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NRC approves rule to certify amended AP1000 reactor design; Chu: “an important milestone”

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Westinghouse submitted an application for certification of the original AP1000standard plant design on 28 March 2002; the NRC issued a rule certifying that design on 27 January 2006. In February 2010, the Obama Administration announced the offer of a conditional commitment for a $8.33 nuclear reactors.

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