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WHO IARC classifies diesel exhaust as carcinogenic to humans (Group 1)

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After a week-long meeting of an expert working group, the International Agency for Research on Cancer (IARC), which is part of the World Health Organization (WHO), classified diesel engine exhaust (DEE) as carcinogenic to humans (Group 1), based on sufficient evidence that exposure is associated with an increased risk for lung cancer.

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Study finds gasoline exhaust contributes more to formation of secondary organic aerosols than diesel

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Contrary to expectations, exhaust from gasoline vehicles contributes more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA’s Earth System Research Laboratory (ESRL) and other colleagues.

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Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

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GDCI engine was significantly better than advanced production spark injection gasoline engines, and comparable to very efficient hybrid vehicle engines at their best efficiency conditions (214 g/kWh). This early work established that gasoline-like fuels with high resistance to autoignition are preferred for PPCI. Combustion stability.

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Opel presents new midsize gasoline engine at Aachen Colloquium; fuel consumption down 13%, torque and power up 33%

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Opel revealed more details about its new mid-size gasoline engine family at the Aachen Colloquium in Germany. For mass reduction the midsize gasoline engine features a two-piece crankcase design, supported at the lower end by a die-cast aluminum bedplate. The engine retains the proven concept of a turbine-integrated exhaust manifold.

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PSA to commercialize SwRI-developed Dedicated-EGR technology in high-efficiency gasoline engines by 2018

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Source: SwRI, DEER 2012. During its recent Innovation Day presentations ( earlier post ), PSA Peugeot Citroën announced that it will commercialize high-efficiency gasoline engines featuring dedicated exhaust gas recirculation (D-EGR), derived from a collaborative program with SwRI in the US. Click to enlarge. Click to enlarge.

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Ford Will Offer 6.8L V10 Gasoline Engine for Medium-Duty Chassis Cabs in 2012; Alt Fuel Prep Package Also

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liter V10 gas engine in 2012. With this addition, Ford will be only manufacturer to offer a gasoline-powered vehicle in Class 1-7, offering a lower-cost option in each segment. The engine comes with hardened exhaust valves and valve seats for improved wear resistance and durability for gaseous fuel systems.

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2012 Mazda3 to offer new SKYACTIV gasoline direct injection engine and SKYACTIV automatic transmission

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2012 Mazda3. The refreshed 2012 Mazda3, making its debut at the 2011 Canadian International AutoShow, will offer the option of Mazda’s new SKYACTIV-G gasoline engine and SKYACTIV-Drive automatic transmission ( earlier post ) when it is launched later this fall. SKYACTIV-G gasoline direct injection engine.

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