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Obama Administration withdraws proposed rulemaking on strengthened ozone standards

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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. Earlier post.) National Ambient Air Quality Standards (NAAQS).

Ozone 259
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EPA Proposes Transport Rule to Cut Pollution from Power Plants in 31 States and DC; New Approach for Pollution Reduction

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The US Environmental Protection Agency (EPA) is proposing regulations employing the “good neighbor” provision of the Clean Air Act to reduce interstate transport of upwind state emissions from power generation that contribute to air quality problems in downwind states. NO x emissions would drop by 52%.

Pollution 218
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Research shows clean fuel-use for ships off California coast extremely effective in reducing sulfur dioxide pollution

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Data collected during a major 2010 state-federal atmospheric research project show that the first-in-the-nation regulation requiring ocean-going vessels to use clean fuel when near the California coast has been extremely effective in reducing sulfur dioxide pollution from ships, according to the California Air Resources Board (ARB).

Pollution 186
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MIT study finds air quality co-benefits of US carbon policies can significantly offset costs, depending upon the policy

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In fact, policies aimed at cutting carbon emissions improve air quality by a similar amount as policies specifically targeting air pollution. The study is the most detailed assessment to date of the interwoven effects of climate policy on the economy, air pollution, and the cost of health problems related to air pollution.

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Report argues advanced HD natural gas vehicles foundational for California to hit air and climate goals; near zero-emission potential

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Compared to the 2010 “Business as Usual” scenario—which includes all adopted emission control measures for the South Coast—NO x levels must be reduced by 65% and by 75% to meet the 2023 and 2032 ozone standards, respectively. An 80% reduction of GHG emissions is targeted for 2050, relative to 1990 levels.

Climate 257
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California ARB greenlights states GHG cap-and-trade program

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The cap-and-trade program also works in concert with other measures, such as standards for cleaner vehicles, low-carbon fuels, renewable electricity and energy efficiency, and complements and supports California’s existing efforts to reduce smog-forming and toxic air pollutants. ARB Staff presentation on Cap-and-Trade Program.

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Modelling the Impact of PHEVs on Ozone in Denver

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Researchers at the University of Colorado, Boulder and the National Renewable Energy Laboratory (NREL) modeled the emissions impact had plug-in hybrid electric vehicles (PHEVs) replaced light duty gasoline vehicles in the Denver, Colorado area in summer 2006. million vehicles and would have increased by 3 tpd from power plants.

Denver 170