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Researchers developing free-piston linear generator for exhaust waste heat recovery

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Researchers in China have developed a novel free-piston linear generator (FPLG) to recover exhaust waste heat efficiently from a vehicle engine. reports that the energy conversion efficiency of the FPLG can reach up to 45.82% with an intake pressure of 2.6 The piston is connected with linear generator mover by a connecting rod.

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Sandia team puts power into local grid with supercritical CO2 closed-loop Brayton-cycle turbine

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Supercritical carbon dioxide is a non-toxic, stable material that is under so much pressure it acts like both a liquid and a gas. This carbon dioxide, which stays within the system and is not released as a greenhouse gas, can get much hotter than steam—1,290 degrees Fahrenheit or 700 Celsius.

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bp begins producing SAF by co-processing used cooking oil at Lingen refinery

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This is the first industrial production facility in Germany to use this process for SAF production based on biomass waste and residues. Fats, Oils and Greases (FOG) co-processing is one of nine ASTM-approved conversion processes for SAF production.

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UC Riverside researchers receive two grants to advance steam hydrogasification reaction for waste-to-fuels

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Researchers at the University of California, Riverside’s Center for Environmental Research and Technology (CERT) at the Bourns College of Engineering have received two grants to further explore a steam hydrogasification process they developed to convert waste into fuels. process, making a slow carbon conversion reaction ten times faster.

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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. TEG integrated into the exhaust gas recirculation system. Click to enlarge. Turbosteamer. Click to enlarge.

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USDA provides $91M loan guarantee to Cool Planet for biogasoline blendstock plant; biomass pyrolysis and catalytic conversion

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Gas chromatography comparison of Conoco fuel and a Conoco-CoolPlanet blend. Cool Planet has devised a biomass-to-liquids thermochemical conversion process that simultaneously produces liquid fuels and sequesterable biochar useful as a soil amendment. The output of these processing stations is connected to an array of catalysts.

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UK to award £54M to 15 projects developing innovative carbon removal technology

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The money will help projects further develop their greenhouse gas removal technologies, which include a machine that can pull carbon dioxide out of the air, a plant to convert household waste into hydrogen for use in the transport industry, and a system to remove carbon dioxide from seawater. Project Funding: £2,999,964.00. SMART-DAC”.

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