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Audi begins initial engine testing of Global Bioenergies, Fraunhofer e-gasoline

Green Car Congress

Audi remains convinced of the potential of the fuels e-gas, “e-benzin” (e-gasoline) and e-diesel and is continuing to pursue its e-fuels strategy. galons US), the largest batch yet produced—of synthetic Audi e-gasoline for initial engine tests. Like all Audi e-fuels, the new fuel has many advantages.

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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Cost of the new engine relative to gasoline baseline. Earlier post.). l/100 km) for a vehicle of that size.

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Audi using supplementary port fuel injection to address particulates from gasoline direct injection

Green Car Congress

liter EA888 Gen3 engine featured in Audi’s all-road shooting brake plug-in hybrid concept unveiled at the North American International Auto Show this week ( earlier post ) features—as does its production ilk—a dual injection system that combines direct injection with indirect injection into the intake manifold. Credit: Audi.

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Honda researchers validate PM Index for direct-injection gasoline engines; gasoline quality matters

Green Car Congress

In a new paper in the International Journal of Engine Research , Koichiro Aikawa of Honda R&D and Jeff Jetter of Honda R&D Americas report that their “PM Index”—reported in a paper in 2010—applies well to direct-injection (DI) gasoline engines as well as to the port-fuel-injection (PFI) engines of their original study.

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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

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Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% One significant trend is engine downsizing coupled with turbocharging. The pressurized intake air allows a turbocharged engine to produce more power compared with a naturally aspirated engine of the same size.

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KAIST researchers engineer oleaginous bacterium to produce fatty acids and fuels

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Korea’s KAIST has engineered an oleaginous bacterium, Rhodococcus opacus , to produce fatty acids (FFAs), fatty acid ethyl esters (FAEEs) and long-chain hydrocarbons (LCHCs). Metabolic engineering for the production of free fatty acids (FFAs), fatty acid ethyl esters (FAEEs), and long-chain hydrocarbons (LCHCs) in Rhodococcus opacus PD630.

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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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SIDI engine. Opel revealed more details about its new mid-size gasoline engine family at the Aachen Colloquium in Germany. liter, four-cylinder, SIDI (spark ignition direct injection) ECOTEC Turbo engines, which begin Opel’s renewal of its powertrain portfolio, deliver improved fuel consumption, performance and refinement.

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