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PNNL team develops onboard fuel separation technology to enable octane-on-demand for improved fuel economy

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Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fuel economy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. Unfortunately, these engines exacerbate engine knock.

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

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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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Jaguar Land Rover produces more than 1.5M Ingenium engines; adds new straight-six diesel MHEV to family; fuel cell concept coming

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The UK manufacturer is now adding a new straight-six diesel to the family. The advanced Ingenium family, which includes a range of diesel, gasoline and electrified engines, are built to maximise performance while at the same time reducing the environmental impact and running costs for customers.

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Volkswagen Millerized 1.5 TSI ACT BlueMotion gasoline engine offers diesel-like fuel economy; derivatives may be applied in hybrid systems

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Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. TSI ACT BlueMotion delivers 96 kW / 130 PS with combined fuel consumption of 4.8 Compared with other gasoline engines, the intake valves of the 1.5 l/100 km (49 mpg US).

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Mazda adding new 3.3l 48V MHEV diesel to CX-60 line-up next year

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In Europe, Mazda announced that it will add an all-new e-Skyactiv D diesel engine to the Mazda CX-60 line-up in 2023, joining the PHEV CX-60, which is available to order now. The new diesel powertrain that will make its debut in the CX-60 is a Mazda first—a 3.3-liter An in-line straight-six 3.0-liter

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Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

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The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. The demonstration vehicle, provided by Nissan North America, is a 2010 Nissan Titan originally equipped with a gasoline V8 engine. Test cycle fuel economy (mpg).

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Recent on-road real-world emission testing in India highlights disparity between cycles, gasoline and diesel

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The results highlight the disparity between test-cycles and real-world emissions as well as the large disparity between gasoline and diesel vehicles. gNO x /km for gasoline; and 0.25 gNO x /km for a diesel vehicle with gross vehicle with GVWR x /km for a 7-seater diesel passenger vehicle. Source: The ICCT.

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