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Study quantifies impact of oil and gas emissions on Denver’s ozone problem

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em>That allows us to look at how oil and gas emissions are influencing ozone production ,” said McDuffie. McDuffie et al. Click to enlarge.

Ethanol and Ozone

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ozone There are so many reasons ethanol shouldn't be priority #1 in America's quest for petroleum replacement. I blogged about this previously here. Yet another reason to think again about the ethanol craze in an article in today's LA Times. And only electric drive cars can operate truly zero-emission.

Plug-in Hybrid Study: Electricity Better

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The basic question addressed, which appears on the study homepage (epri-reports.org) is this: How would air quality and greenhouse gas emissions be affected if significant numbers of Americans drove cars that were fueled by the power grid? And the grid is getting cleaner and more renewable every year. I truly hope we have turned a corner. to 10.3

US EPA to Reconsider National Ozone Standards

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The US Environmental Protection Agency (EPA) will reconsider the 2008 primary and secondary ozone standards. In 2008, EPA established a new primary 8-hour standard for ozone of 0.075 parts per million (ppm), and a new secondary standard set at a form and level identical to the new primary standard. ppm standard, due to rounding.

NOAA Study Identifies Nitrous Oxide as Top Ozone-Depleting Emission in 21st Century

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Currently, anthropogenic N 2 O emissions represent the largest contribution to ozone depletion. Source: Ravishankara et al. Click to enlarge.

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

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exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. The study exposed laboratory rats 80 hours a week, for up to 30 months, to emissions from a heavy-duty diesel engine meeting 2007 US EPA standards using new filters and other control technology.

Annual American Lung Association report shows continued progress in air quality, but more to be done

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This year’s report finds that the majority of American cities most-polluted by ozone (smog) or year-round particle pollution (soot) have improved, showing continued progress in the cleanup of toxics under the requirements of the Clean Air Act. When ozone is inhaled, it irritates the lungs. 10 Most Ozone-Polluted Cities.

National Research Council report finds it unlikely the US will meet cellulosic biofuel mandates absent major innovation or a change in policies

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In 2005, Congress enacted the Renewable Fuel Standard as part of the Energy Policy Act (EPAct) and amended it in the 2007 Energy Independence and Security Act (EISA). All volumes, except for volumes of biomass-based diesel, are in gallons of ethanol-equivalent. Greenhouse gas emissions. Economic effects. Environmental effects. Resources.

EPA Issues Proposed Endangerment Finding for Greenhouse Gases; Proposed Cause or Contribute Finding Identifies Motor Vehicles as Contributing Source

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After a thorough scientific review ordered in 2007 by the US Supreme Court, the US Environmental Protection Agency (EPA) issued a proposal with two distinct findings regarding greenhouse gases. Climate change has the potential to produce increases in ground-level ozone in many regions, according to the report. Resources.

Up close and personal with Volkswagen’s e-Golf carbon offset project: Garcia River Forest

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ozone depletion potential (ODP). photochemical ozone creation potential. Click to enlarge. It’s actually a corporate objective. Dryw A.

Study finds changes in the Arctic sea ice cover may be driving changes in atmospheric chemistry

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Bromine also can remove ozone from the lowest layer of the atmosphere, the troposphere. Despite ozone’s beneficial role blocking harmful radiation in the stratosphere, ground-level ozone is a harmful pollutant. These reactions rapidly create more molecules of bromine monoxide in the atmosphere. produced the study. Resources.

BP Products to Pay Nearly $180M to Settle Violations at Texas City Refinery; Conversion of Diesel Vehicles to Natural Gas Part of Settlement

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In October 2007, the company pled guilty to a felony violation of the Clean Air Act and agreed to pay a $50 million fine for violations related to the explosion, the largest criminal fine ever assessed against a corporation for Clean Air Act violations. BP Products North America Inc. The company will also pay a $12 million civil penalty.

Gas 1

Cal Energy Commission approves $1M grant to develop 12L near-zero NOx nat gas engine

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grams per brake horsepower hour (g/bhp-hr), and constitute a 90% reduction of emissions compared to the previous standard (CARB 2007) of 2.0 The California Energy Commission approved a $1-million grant to develop a 12-liter natural gas engine that produces near-zero nitrogen oxide (NO x ) tailpipe emissions. to develop the engine. g/bhp-hr.

CRC ACES Phase 2 report finds emissions from modern heavy-duty diesels well below required levels

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2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. g/hp-hr between 2007 and 2009 to a level less than or equal to 0.20 Source: CRC. Click to enlarge. For a number of the most important pollutants, levels were substantially lower than required by regulations. Background. g/hp-hr in 2010. Resources.

Emissions of Air Pollutants down in EU-27

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The European Community’s air pollutant emission inventory report released by the European Environment Agency finds that in 2007, sulphur oxides (SO x ) emissions were down by 72 % from 1990 levels. EU-27 emissions of all four pollutants were lower in 2007 than in 2006. and NMVOC. LRTAP.

California Air Resources Board Unveils $3.7M in Rebates for Plug-in Hybrid and Zero-Emission Vehicles

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million program that Governor Schwarzenegger approved in 2007 to spur technological innovation in the transportation sector. Cars and trucks account for over half of the emissions that contribute to ozone and particulate matter as well as about 30% of the total greenhouse gas emissions in California.

EPRI-NRDC report finds widespread vehicle electrification and a cleaner grid could lead to substantial cuts in GHG by 2050

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This study builds on the 2007 Environmental Assessment of Plug-in Hybrid Electric Vehicles by EPRI and NRDC ( earlier post ), which showed that plug-in hybrid electric vehicles could contribute to reductions in national greenhouse gas emissions, while also leading to improved air quality. —Mike Howard, EPRI president and CEO. Resources.

Stanford Professor Urges EPA to Include Black Carbon in Endangerment Finding

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In 2007, Jacobson and four colleagues testified in the House Committee on Oversight and Government Reform on the role of black carbon. C increased Arctic warming from 1890 to 2007. F, with about 40% due to ozone. Earlier post.). Earlier post.). However, both BC and GHG controls are needed. of its soot. Mark Jacobson. Resources.

Study projects net cooling of climate from ship emissions through 2050

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1 from shipping in 2007, corresponding to 3.3% 1 of the total ship emissions in 2007. In addition to CO 2 , other compounds such as ozone (O 3 ) precursors (nitrogen oxides (NO x =NO+NO 2 ), carbon monoxide (CO), and volatile organic compounds (VOCs)) and aerosols such as black carbon (BC) and organic carbon (OC) are emitted by ships.

Study Finds Controlling Soot May Be Fastest Method to Reduce Arctic Ice Loss and Global Warming; Second-Leading Cause of Global Warming After CO2

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1990; Anisimov, 2007] and chemical production of ozone in already-polluted locations [Jacobson, 2008b]. These three gases are all greenhouse gases, and ozone is a surface air pollutant. Jacobson at Stanford University. Results of the study suggest that soot is second only to carbon dioxide in contributing to global warming.

Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

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Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds. Emission rates for the 1.7 and 6.4 species?

Study finds power law scaling relationship between urban population and NO2 pollution

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log relationship between NO 2 mixing ratios and the total population of urban areas for the four regions. Credit: ACS, Lamsal et al. Click to enlarge.

WMO: Atmospheric Concentrations of Main Greenhouse Gases in 2008 Set New Highs

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from 2007 to 2008. ppb higher than in 2007, and 19% above the pre-industrial level. The importance of CO 2 has increased substantially.

Study Highlights the Importance of Considering Climate Effects of Non-CO2 Emissions from Transport in Mitigation Strategies and Policies

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S1 offers additional improvements to ozone and black carbon air quality whereas S2 implies substantial degradation of sulfate air quality.

UN Review of Recent Climate Research Concludes That Impacts Of Climate Change Coming Faster Than Anticipated

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In 2007, summer sea ice in the Arctic Ocean shrank to its smallest extent ever, 24% less than the previous record in 2005, and 34% less than the average minimum extent in the period 1970-2000. In 2008, the minimum ice extent was 9% greater than in 2007, but still the second lowest on record. Significant climate anomalies 2008/2009.

California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards

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NO x helps create ground-level ozone, or smog. Additional diesel PM reductions in 18 major CA railyards with five new locomotive measures.

UNEP Report Calls for More Sophisticated Approach to Developing Biofuels; Limitations of Current LCA Studies

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Here, RME show advantages for primary energy and GHG, but disadvantages in terms of acidification, eutrophication and ozone depletion.

EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

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In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 to 53.4 a global warming potential of 21. to 587.2 in 2011.

Researchers report on potential long-range atmospheric emissions impacts of increased ethanol fuel use in North America

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This is accompanied by a modest regional decrease in surface ozone (of order 1%). Seasonal ethanol emissions from North America. and 1.4×

EPA issues greenhouse gas proposals

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After a thorough scientific review was ordered by the US Supreme Court in 2007, the Environmental Protection Agency (EPA) has issued a proposal on greenhouse gases. The analysis also looked at the impact of climate change on human health and suggests that it may lead to higher levels of ground-level ozone, a harmful pollutant.

US Climate Action Report to UN Projects 4% Growth in Total US GHG Emissions to 2020

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The projections represent a “business-as-usual” scenario that incorporates major policies in place as of 31 March 2009, including the Energy Independence and Security Act of 2007 (EISA) and ARRA, as well as a number of other federal and state measures. to 7,416 Tg CO 2 Eq., to 1,853 Tg CO 2 Eq. from 2005 to 2020. 5,813 Tg CO 2 Eq. CH 4. +8%.

National Academies Report Examines Hidden Cost of Energy Production and Use in US; Estimates $120B in 2005

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Damages are expressed in cents per VMT (2007 USD). Source: “Hidden Costs of Energy”. Click to enlarge. Source: “Hidden Costs of Energy”.

ARB releases proposed cap-and-trade regulation for comment; transportation fuels impacted in 2015

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ARB staff reviewed four offset protocols and recommends that they be approved as part of this regulatory package: (1) the Urban Forest Projects Protocol; (2) the US Ozone Depleting Substances Projects Protocol; (3) the Livestock Manure (Digester) Projects Protocol; and (4) the US Forest Projects Protocol. Allowance Distribution and Trading.

Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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80.27, “high ozone season” means the period from June 1 to September 15 of any calendar year and “regulatory control period” means the period from May 1 to September 15 of any calendar year. by Brian J. Donovan, CEO Renergie, Inc. This opinion piece originally appeared in the Field-to-Pump blog, published by Renergie, Inc. ]. of water. et al.

SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

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A few studies also include other relevant impact indicators as acidification potential, eutrophication potential, ozone depletion potential and various toxicity potentials. 2007) may not be robust. ” 2007). SCOPE is part of the International Council for Science. Lifecycle analysis. agro-economic market models). Simpson et al.

House Chairmen Waxman, Markey Release Draft of Energy and Climate Legislation; Among the Many Provisions Are Cap-and-Trade, Harmonization of CAFE and California Vehicle Regulations, and Low Carbon Fuel Standard

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The draft amends the Energy Independence and Security Act of 2007 to include nonprofit hospitals and public health facilities among public institutions eligible for grants and loans for energy efficiency. The draft adds HFCs to the list of similar substances that EPA currently regulates because they deplete the ozone layer. Offsets.