Remove 2012 Remove Exhaust Remove Gasoline
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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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Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

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Although gasoline direct injection engines (GDI) are a favorable technology for reducing fuel consumption and greenhouse gas emissions, recent studies have shown that GDI vehicles could emit more PM than traditional PFI (gasoline port fuel injection) vehicles as well as heavy-duty diesel trucks equipped with diesel particulate filters.

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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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SwRI D-EGR gasoline demo vehicle delivers diesel efficiency at lower cost; potential for LEV III/Tier 3 emissions

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Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. The D-EGR demonstrator is a converted 2012 Buick Regal with a 2.0-liter liter gasoline direct injection engine.

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