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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 Tg CO 2 eq) in 2011. Tg CO 2 eq (25%).

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EPA to award up to $5M to reduce diesel emissions at ports

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EPA’s Office of Transportation and Air Quality (OTAQ) is soliciting proposals ( EPA-OAR-OTAQ-14-07 ) that achieve significant reductions in diesel emissions in terms of tons of pollution produced by diesel engines and diesel emissions exposure, from fleets operating at marine and inland water ports located in areas of poor air quality.

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EPA to award up to $5M for projects to reduce diesel emissions at ports

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EPA will fund: Verified Exhaust Control Technologies: up to 100% of the cost of eligible verified exhaust control technologies. Drayage Truck Replacement: up to 50% of the cost of eligible drayage trucks with a 2011 model year or newer heavy-duty engine. Applicants cannot request more than $2 million in federal funding.

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California ARB petitions US EPA for “Tier 5” stricter locomotive emissions standards

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In an effort to accelerate the movement to zero- or near-zero emission locomotives, the California Air Resources Board (ARB) has petitioned the US EPA take action to adopt more stringent emission standards for locomotives. Tier 4 line haul locomotives used for nationwide service typically range from 2,300 to more than 4,000 horsepower.

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EPA making $20M available for clean diesel projects

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The US Environmental Protection Agency (EPA) has issued a Request for Proposals ( EPA-OAR-OTAQ-12-05 ) with up to $20 million in FY 2012 grant funding to establish clean diesel projects aimed at reducing pollution from the existing fleet of diesel engines. EPA will fund up to 100% of the cost of an eligible, verified idle reduction.

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EPA updates rules to ease commercialization of alternative fuel conversion systems

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The US Environmental Protection Agency (EPA) has updated rules making it easier for manufacturers to sell fuel conversion systems—i.e., Previous EPA regulations required vehicle and engine conversion systems to be covered by a certificate of conformity to gain a regulatory exemption from potential tampering charges. Notification.

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J.D. Power and Associates study finds EPA emission-compliant heavy-duty engines yielding increase in engine problems, decline in satisfaction

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Technology designed to reduce emissions and make heavy-duty truck engines compliant with the 2010 EPA regulations apparently is resulting in more heavy-duty truck owners experiencing problems with the engine, according to the study. mpg in 2011. miles per gallon (mpg) in 2012, compared with 6.0 The 2012 U.S.

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