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

Green Car Congress

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. Since compliance began, the program has helped to replace more than 8.6

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Aemetis selects Worley to provide engineering for renewable jet and diesel production plant; Axens technology

Green Car Congress

has awarded an engineering services contract to Worley for the Aemetis “Carbon Zero” renewable jet and diesel plant in Riverbank, California. The Aemetis Carbon Zero renewable jet and diesel project is designed to hydrotreat renewable oils with hydrogen from orchard and forest wood waste. Aemetis, Inc.

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MAN Engines releases first IMO Tier III engines for workboats; low-cost, SCR-only solution

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MAN Engines—a business unit of MAN Truck & Bus, itself a member of the Volkswagen Group—is now offering 12-cylinder, IMO Tier III emission standards engines for workboats, spanning a power range from 551 to 1,213 kW. The engines are immediately available. MARPOL Annex VI NO x emission limits.

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Omnitek receives EPA approval for 12L diesel-to-natural gas converted Mack E7 engine

Green Car Congress

Omnitek Engineering Corp. has received a Certificate of Conformity from the US Environmental Protection Agency applicable for diesel-to-natural gas engine conversions of all Mack E7 electronic engines up to model year 2006. —Werner Funk, president and CEO of Omnitek Engineering. —Werner Funk.

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Greyrock completes heavy-duty engine testing of GTL diesel fuel

Green Car Congress

Greyrock Energy, a company founded in 2006 to develop technologies for the modular, distributed, production of transportation grade diesel fuel from natural gas, has completed testing of its premium gas-to-liquids (GTL) synthetic diesel fuel at an advanced heavy-duty diesel engine dynamometer laboratory.

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Study finds advances in engine and aftertreatment technology result in declining benefit from California diesel spec

Green Car Congress

A team from the University of California Riverside and the California Air Resources Board (ARB) has found a declining emissions (NO x , PM) benefit from the use of California diesel compared to US Federal diesel fuels given the continuing advances in engine and aftertreatment technology. higher than the CARB diesel.

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Dearman flags diesel loophole in new London T-Charge anti-pollution scheme

Green Car Congress

Dearman, the UK-based developer of clean cold power systems based on its engine powered by liquid nitrogen ( earlier post ), has identified a diesel loophole in the new London T-Charge levy on the most polluting vehicles. mostly vehicles registered before 2006. Earlier post.). Earlier post.).

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