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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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The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.)

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Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

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The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Current 2010 USEPA emissions standards for NO x and PM are set at 0.20 The team used a MY 2007 Volvo MD11 engine compliant with USEPA 2007 emissions standards. Click to enlarge.

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Toyota introduces new XSE Hybrid Grade Camry

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for XSE grade, which uses a dual-outlet exhaust). Most AWD grades have 202 hp, while the Camry XSE AWD grade has 205 hp with dual exhaust. A variable cooling system, variable oil pump and a cooled exhaust gas recirculation (EGR) system all contribute to the engine’s high thermal efficiency and outstanding fuel economy.

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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. earlier post ), found that emissions of NO 2 and other nitrogen oxides—which can have direct health effects and contribute to the formation of smog—were approximately 61% below the 2010 EPA standard and 99% lower than in 2004 engines.

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Health Effects Institute to release Executive Summary of ACES new-technology diesel results this fall

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The Summary will be the synopsis and final publication from the program to characterize the emissions and assess the health effects of new-technology diesel exhaust (NTDE) from heavy-duty diesel engines that meet the 2007 and 2010 regulations enacted by the US Environmental Protection Agency (EPA). Earlier post.) Earlier post.).

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CWI ISL G Near Zero natural gas engine certified to near zero NOx; 90% below current standard

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g/bhp-hr optional Near Zero NO x Emissions standards for medium-duty truck, urban bus, school bus and refuse applications. Cummins Westport ISL G NZ exhaust emissions will be 90% lower than the current EPA NO x limit of 0.2 CWI natural gas engines have met the 2010 EPA standard for particulate matter (0.01 g/bhp-hr) since 2001.

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Mayor of London expanding Ultra Low Emission Zone London-wide; new £110M scrappage scheme

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Vehicles must meet strict emission standards to drive in the ULEZ area: Euro 4 for gasoline cars and vans (widely available since 2006). Euro 3 for motorcycles and mopeds (widely available since 2007). Vehicles that do not meet the standards must pay a £12.50 Source: Transport for London. daily charge. Source TfL.

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