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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. The Health Effects Institute is an independent, non-profit research institute funded jointly by government and industry to provide credible, high quality science on air pollution and health for air quality decisions. Source: CRC. Click to enlarge.

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

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Ethanol is emitted to the atmosphere by both natural and anthropogenic processes; examples of the latter include industrial processes, biomass combustion and use as a biofuel mixed with gasoline. We then employ this revised source estimate as a baseline for assessing some potential large-scale impacts of changing ethanol fuel use in the US.

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

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Under the Proalcool Program, sugar companies were ordered to increase production and the state-run oil company, Petrobras, was required to make álcool (ethanol) available at its fuel stations. The production and consumption of hydrous ethanol fuel followed an expected pattern. of water.

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

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ppb—higher than those in pre-industrial times (before 1750) by 38%, 157% and 19%, respectively. from 2007 to 2008. Its atmospheric abundance was nearly constant at about 280 ppm before industrialization. Before the industrial era, atmospheric methane was about 700ppb. ppm, CH 4 at 1,797 ppb and N 2 O at 321.8

2008 218
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EPRI-NRDC report finds widespread vehicle electrification and a cleaner grid could lead to substantial cuts in GHG by 2050

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The report, “ Environmental Assessment of a Full Electric Transportation Portfolio ”, is based on a projection that by 2050 electricity replaces traditional fuels for approximately half of light- and medium-duty transportation and a significant portion of non-road equipment. —Mike Howard, EPRI president and CEO.

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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. HEI is an independent, non-profit research institute funded jointly by the US Environmental Protection Agency (EPA) and the worldwide motor vehicle industry. Earlier post.)

Exhaust 150
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ARB releases proposed cap-and-trade regulation for comment; transportation fuels impacted in 2015

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The program will cover the major sources of GHG emissions in the State, including refineries and power plants, industrial facilities, and transportation fuels. The cap-and-trade program is expected to result in increased investment in efficient buildings and technologies and in advanced fuels. Transportation fuels.

2015 210