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ORNL researchers quantify the effect of increasing highway speed on fuel economy

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Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal

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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 This enables further reduced fuel consumption and emission levels plus powerful torque even at low engine speeds.

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Westport Fuel Systems & AVL conclude high-efficiency H2 powertrain can outperform fuel cells in TCO for heavy-duty applications

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In the paper, “ Total Cost of Ownership (TCO) Analysis for Heavy Duty Hydrogen Fueled Powertrains ”, the authors investigated three potential combustion approaches for hydrogen: H 2 -PFI SI (Port Fuel Injection with Spark Ignition). operating costs with AVL’s existing TCO models for diesel and fuel cell powertrains.

Fuel 221
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FEV testing finds Transient Plasma ignition system increases fuel efficiency and decreases emissions

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liter, direct and port fueled injection, inline 4-cylinder gasoline engine commonly used in the Camry line of vehicles. Data was collected with the stock ignition system with a representative ignition strategy, followed by comparison to a drop-in replacement with the TPS nanosecond pulsed power ignition system (coil and plug).

Emissions 243
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GM: new Sierra 5.3L V-8 EcoTec3 highway fuel economy tops Ford EcoBoost V-6

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In addition to highway fuel economy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L 2WD Pickup truck fuel economy comparisons. In addition to highway fuel economy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L Fuel economy.

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CPT, TU Wien study finds 48V mild diesel hybrid cuts engine-out NOx 9%, 4.5% fuel economy improvement

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A joint study by Controlled Power Technologies (CPT) and Austria’s Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9% reduction of NO x in raw engine-out emissions, while retaining the fuel economy and CO 2 benefits of diesel engine technology. —Paul Bloore.

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Tula presenting diesel Dynamic Skip Fire technology at Future Diesel Powertrain Summit in Shanghai

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Importantly, dDSF is able to combine improved tailpipe emissions while simultaneously reducing fuel consumption, thus combining two critical objectives that have previously competed against each other. Comparison of baseline and dDSF CO 2 and NO x on HD FTP cycle and LLC. Source: Tula.

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