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Royal Caribbean Group to use trio of power sources on next class of ships: fuel cell, battery, dual fuel engines

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Royal Caribbean Group’s new class of ships known as ‘Project Evolution’, set to debut in summer 2023, will operate using a trio of power sources including a fuel cell system, battery technology and dual fuel engines using liquefied natural gas (LNG) as the main fuel.

Fuel 221
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New catalytic process turns renewable and waste carbon into cleaner, high-performance diesel biofuel blendstock

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Researchers used reductive etherification chemistry to convert alcohol and ketone substrates derived from microbial carboxylic acids into an ether bioblendstock for use when blended into conventional diesel fuel. More importantly, with the demand for diesel fuel rising, this fuel could help meet that need in a sustainable way.

Waste 221
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Altalto waste-to-jet fuel plant advances in UK; BA, Shell, Velocys

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Altalto Immingham Limited, a subsidiary of renewable fuels company Velocys and a collaboration with British Airways and Shell, has submitted a planning application to develop its site in Immingham, North East Lincolnshire, close to the Humber Estuary. million gallons US) of cleaner-burning sustainable jet and road fuel each year.

Waste 236
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McMaster team reviews progress on hybrid-specific engine technologies

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A team from McMaster University in Canada has published a comprehensive review of recent progress in low-temperature combustion (LTC), alternative fuels (AF), over-expansion Atkinson cycle, and waste heat recovery (WHR) techniques as applied to hybrid-specific engines. —Wang et al.

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UrbanX Group signs FEED contract with Hyundai Engineering for renewable diesel facility in Bakersfield

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UrbanX Renewables Group of Long Beach, CA, executed a front-end engineering design (FEED) contract with Hyundai Engineering Co., The company will produce its XRD renewable diesel from vegetable oil, fats and waste cooking oils through a proprietary process. It can also yield a prime sustainable aviation fuel (SAF).

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SGH2 building largest green hydrogen production facility in California; gasification of waste into H2

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The plant will feature SGH2’s technology, which will gasify recycled mixed paper waste to produce green hydrogen that reduces carbon emissions by two to three times more than green hydrogen produced using electrolysis and renewable energy, and is five to seven times cheaper. The facility will process 42,000 tons of recycled waste annually.

Waste 448
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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. Ethanol or methanol would be employed to increase knock resistance. —Cohn and Bromberg (2019).

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