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Concept: Downsized and Supercharged Hybrid Pneumatic Engine for 30%+ Reduction in Fuel Consumption

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Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. The reduction in fuel consumption is obtained mainly through enabling the effective use of a heavily downsized engine, rather than from regenerative efficiency. The engine has two intake and two exhaust valves per cylinder. Dönitz et al.

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DENSO Develops Exhaust Gas Temperature Sensor With Improved Temperature Detection Accuracy

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DENSO Corporation has improved the temperature detection accuracy of its newly developed diesel exhaust temperature sensor. To improve the sensor’s temperature accuracy, DENSO increased the probe length to almost twice that of the conventional product and extended the sensing tip into the exhaust pipe.

Exhaust 199
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Eaton contributing several components to DOE SuperTruck II program

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SuperTruck II is a partnership between the DOE, truck manufacturers and equipment suppliers seeking to improve freight efficiency to more than 100% over an equivalent 2009 model, and to improve engine brake thermal efficiency performance to 55% or greater. Department of Energy’s (DOE) SuperTruck II program. Earlier post.).

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ADEPT project to apply gasoline engine HyBoost system to diesel; 48V architecture; full hybrid fuel economy at much lower cost

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The Ricardo-led Advanced Diesel Electric Powertrain (ADEPT) project will apply 48V “intelligent electrification” concepts, mild hybridization and waste heat recovery in a Ford Focus diesel demonstrator. version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius.

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Use of Supercritical Diesel Fuel for Improved Efficiency and Reduced Emissions

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An experimental P-T diagram mapping the liquid, liquid-vapor, and SC regions for diesel fuel-CO 2 mixtures with different compositions and densities (numbers in red and black, respectively). Energy & Fuels 2009. Heat required to bring the fuel to SC states is recovered from the exhaust gas of the engine. DEER 2009).

Diesel 225
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PSA to commercialize SwRI-developed Dedicated-EGR technology in high-efficiency gasoline engines by 2018

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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. Mangold (2009) Dedicated EGR: A New Concept in High Efficiency Engines.

Gasoline 268
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Fiat introducing new 2-cylinder 0.9L Turbo TwinAir in 2014 MiTo mini

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This is the lowest consumption of any of the gasoline or diesel MiTo engines, while power delivery and torque are the second-highest of the MiTo gasoline range. In 2009, Fiat introduced a 1.4-liter Turbocharged by means of exhaust gas turbocharger with engine load management by means of variable intake valve activation.

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