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DOE researchers investigate economic and environmental impacts of converting wet waste to renewable diesel

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Heavy-duty diesel vehicles using mixing controlled compression ignition (MCCI), the most common ignition and combustion strategies for heavy-duty diesel engines, contribute significantly to the emissions of GHG, oxides of nitrogen (NO x ), and particular matter (PM) and are subject to stringent emission standards. Skaggs et al.

Waste 434
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CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

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Clean fuels replaced more than 50% of the diesel used in the state in the first quarter of 2023, according to the California Air Resources Board (CARB). billion gallons of diesel. The program is designed to lower the carbon intensity in fuels by assessing each step in their production, from extraction to combustion.

Clean 367
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Bolivian government promoting jatropha cultivation for biodiesel production

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Bolivia President Luis Arce said that the national government has a strategy to promote the cultivation of jatropha, a plant from which the oil is extracted to serve as a raw material for biodiesel production. The natural resources, the geography we have, helps us to think about being large producers of biofuels (.)

Bolivia 342
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Senators introduce bipartisan bill to boost production, use of renewable diesel, sustainable aviation fuel

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Senators Dianne Feinstein (D-CA) and John Barrasso (R-WY) led their colleagues in introducing the Renewable Diesel and Sustainable Aviation Fuel Parity Act of 2022. The bill would require the Department of Energy to track foreign imports and domestic production of renewable diesel and sustainable aviation fuel. Background.

Renewable 240
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ICCT report finds expected surge in renewable diesel production could have damaging environmental impacts due to feedstock demand

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The International Council on Clean Transportation (ICCT) has released a report prepared by the consultancy Cerulogy that explores the potential market and environmental impacts of increased capacity for renewable diesel produced by hydrotreating oils and fats in the US. —from the report, “Animal, vegetable or mineral (oil)?”.

Renewable 243
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CVR Energy selects Haldor Topsoe’s HydroFlex technology for revamp of Wynnewood refinery to renewable diesel, naphtha production

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CVR Energy will base a revamp of its Wynnewood, Oklahoma, refinery on Haldor Topsoe’s HydroFlex technology to produce approximately 100 million gallons of renewable diesel and more than 6 million gallons of renewable naphtha per year. Coffeyville Resources Refining & Marketing then sells and distributes the products.

Renewable 221
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Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

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The DME engine was based on an FPT Cursor 11 serial-production-engine. The experimental results showed that DME operation retains the performance on the base diesel engine (338 kW peak power) while significantly reducing the engine-out emissions. Brake thermal efficiency of the DME engine. Soltic et al. Soltic et al. 2023.129357

Engine 368