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Gevo’s compelling focus is on Alcohol-to-Jet (ATJ) SAF, asserting it has the most competitive cash cost of production compared to HEFA. Their ambitious claim is validated by the Gevo North Dakota site, featuring a wholly-owned, operational proprietary CCS well with 1 MM metric tons/year capacity. This facility monetizes CO2 as a valuable co-product through CDR […]
by Gregory T. Benz, Benz Technology International, Inc. (affiliated with LEC Partners) Special to The Digest Several years ago, I published articles comparing pitched blade turbines to hydrofoils in lignocellulosic slurries (references 1 and 2). Since that time, I have continued to work with such slurries. Recently I came across a chapter in reference 3 […]
Linde offers compelling, fully integrated onsite gas solutions vital for renewable fuels, including hydrogen for HEFA and Alcohol-to-Jet processes. The most ambitious finding is the VITRON-C Advanced Centrifugal Design for oxygen production, covered by nine patents. This novel technology reduces oxygen separation power by over 10% and features magnetic bearings for lower maintenance. Linde also […]
Call me Brown. I come from a town west of Nebraska and north of the North Platte so unimportant, nobody remembers what it was called. Not even the people still living there. Two streets, a Dollar Store boarded up, and a Methodist Church with nothing left to sing about. Nobody visits anymore—not even the wind. […]
Cascadia aims to lead global aviation decarbonization by achieving an ambitious goal of 1 billion gallons of locally produced SAF by 2035. This compelling regional public-private effort targets scaling production and cost parity by transforming infrastructure, policy, and market dynamics. A novel initiative is the Cascadia Sustainable Aviation Institute, which will offer accelerated testing capabilities […]
The light always comes in sideways in Smallville—long, clean, and gold—casting tractor silhouettes across the barn wood like stained glass. You can almost smell the hay and motor oil, hear a screen door slap shut somewhere. One of those evenings when nothing changes, and then everything does. Jonathan Kent didn’t quite understand what he was […]
Aquora Biosystems presents a compelling next-generation SAF pathway, Fermentation-to-Jet Fuel (F2J), utilizing abundant organic waste feedstocks. The ambitious claim is that F2J SAF can uniquely achieve carbon intensities as low as -150 g CO2/MJ. The patented fermentation process converts waste into ketones or biogas. Their initial strategy involves retrofitting existing RNG facilities, expecting a 3-10x […]
Dr. Watson sat by the window at 221B Baker Street, puffing with quiet satisfaction over the freshly bound memoir the Daily Digest had just published—The Case of the Vanishing Boiler—while Holmes, utterly unmoved by the glory of publication, worried a frayed violin bow across a passage of Paganini so fiendishly difficult it had become more […]
NXTClean Fuels and the Cascadia SAF Accelerator are collaborating to lead aviation decarbonization, centered on the Columbia River Hub in Oregon. The ambitious plan calls for an Ultra-low fossil HEFA Refinery with a world-scale production capacity of 540 MM GPY. A key novel finding is the design basis for hydrogen production using Auto-Thermal Reforming (ATR) […]
