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Nissan reaches 50% thermal efficiency with next-generation e-POWER system; STARC

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Nissan’s e-POWER system utilizes an on-board gasoline engine to provide electrical energy to the e-powertrain battery pack. However, Nissan’s e-POWER system utilizes an on-board engine as a dedicated electricity generator for the system’s e-powertrain. The STARC concept. The Nissan e-POWER System.

Nissan 341
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ORNL study finds best current use of natural gas for cars is efficient production of electricity for EVs

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However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. If CNG were to be eventually used in hybrids, the advantage of the electric generation/EV option shrinks. Their open access paper is published in the journal Energy.

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BMW provides an update on waste heat recovery projects; Turbosteamer and the Thermoelectric Generator

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The company says that some of the most promising projects are the Turbosteamer ( earlier post ); the Thermoelectric generator (TEG) ( earlier post ); engine encapsulation; and a waste heat exchanger for oil heating. Research project Turbosteamer: comparison of the heat exchanger generation 1 (top) and generation 2 (bottom). Click to enlarge.

Waste 376
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DOE announces $139M in funding for 55 projects to advance innovative vehicle technologies

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Structurally and Electrochemically Stabilized Silicon-rich Anodes for Electric Vehicle (EV) Applications. AOI 02: Low Cost Electric Traction Drive Systems Using No Heavy Rare Earth Materials. Low Cost, High-Performance, Heavy Rare Earth-Free 3-In-1 Electric Drive Unit. Enovix Corporation. Group14 Technologies Inc. 2,500,000.

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MIT team proposes flex-fuel gasoline-alcohol engine PHEV long-haul trucks

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In a paper being presented at WCX SAE World Congress Experience in Detroit this week, a team from MIT is proposing the use of a flex-fuel gasoline-alcohol engine approach for a series-hybrid powertrain for long-haul Class 8 trucks. We think that the way to enable the use of electricity in these vehicles is with a plug-in hybrid.

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Volkswagen introduces new Coasting 2.0 micro hybrid system and new natural gas engine at Vienna Motor Symposium

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At the 38 th Vienna Motor Symposium Volkswagen is introducing a new, more fuel-efficient “Coasting - Engine off” micro hybrid system—which shuts off the engine completely—as well as a new, compact three-cylinder natural gas engine for the Polo. All-electric architecture. Coasting - Engine off. liters/100 km. New e-Golf.

Gas 207
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Tenneco exploring synthetic fuels for climate-neutral mobility; NAMOSYN project

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Synthetically produced, climate-neutral e-fuels can be used in today’s gasoline and diesel engines with only minor modifications for most of e-fuels and in blends with conventional fuels. To minimize climate impacting emissions, synthetic fuels are preferably produced using electricity that is generated from carbon neutral renewable sources.

Climate 243