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

Green Car Congress

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.) Earlier post.)

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Cummins Westport begins development on new mid-range natural gas engine; production by 2015

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liter natural gas engine designed to meet the increasing demand for on-highway vehicles powered by natural gas. G engine will be based on the Cummins ISB6.7 diesel engine and will use Cummins Westport’s proven spark-ignited, stoichiometric cooled exhaust gas recirculation (SEGR) technology. The base engine is.a

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Cummins Westport introducing new ISB6.7 G mid-range natural gas engine

Green Car Congress

liter medium-duty, factory-built dedicated natural gas engine for school bus, shuttle bus, medium-duty truck and vocational applications. G natural gas engine is based on the Cummins ISB6.7 diesel engine platform, the industry leader in the Cummins medium-duty engine family. will unveil the ISB6.7 Earlier post.)

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Toyota introduces new XSE Hybrid Grade Camry

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liter engine is a strong but smooth operator, yielding 203 hp at 6,600 rpm and 184 lb.-ft. 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. The Dynamic Force 2.5-liter of peak torque at 5,000 rpm (206 hp and 186 lb.-ft.

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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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Santa Monica signs 5-year deal with Clean Energy for renewable LNG for bus fleet; deploying CWI Near-Zero NOx engine

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NO x engine, the first mid-range engine in North America to receive emission certifications from both US Environmental Protection Agency (EPA) and Air Resources Board (ARB) in California that meet the 0.02 NO x engine is designed for medium-duty truck, urban bus, school bus and refuse applications and is available on the market today.

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UW-Madison engineer collaborating with entrepreneur on 6-cycle, external combustion engine; could be up to 30% more efficient than standard diesel

Green Car Congress

The pair has received $850,000 in grants to support the fabrication and testing of a prototype of the K6 engine; Shedd says he expects to have a prototype running by late fall or early winter. The engine incorporates a modified Brayton cycle ( earlier post ) into a continuous combustion engine system. —Timothy Shedd.

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