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US Air Force demonstrating hydrogen as alternate fuel source

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The US Air Force is demonstrating the use of hydrogen as an alternate fuel source at Joint Base Pearl Harbor-Hickam, Hawaii. This 25-passenger crew bus is one of the vehicles powered by a hydrogen fuel cell used at Joint Base Pearl Harbor-Hickam in a demonstration of hydrogen as an alternative fuel source. (US

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

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The alternative fuel’s CI value is divided by its Energy Economy Ratio (EER) in order to obtain the EER-adjusted CI value, representing the emissions which occur from the alternative fuel per MJ of conventional fuel displaced.

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EPA updates rules to ease commercialization of alternative fuel conversion systems

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The US Environmental Protection Agency (EPA) has updated rules making it easier for manufacturers to sell fuel conversion systems—i.e., systems that alter a conventionally-fueled vehicle or engine to enable it to run on an alternative fuel. Overview of Program Elements. Demonstration. Notification.

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Chevron Lummus Global joins ARA ReadiJet Alternative Fuel Initiative to develop 100% drop-in diesel, and jet kero biofuels

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Chevron Lummus Global (CLG), a 50-50 joint venture between Chevron Products Company and Lummus Technology, has joined ARA’s ReadiJet Alternative Fuel Initiative to develop drop-in biofuels. —Ed Coppola, ARA Fuels Principal Engineer. Earlier post.). Overview of the ReadiJet process. Click to enlarge.

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Westport introduces 3.8L LPG/NG stationary/off-road engine, based on Hyundai automotive V6

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Westport has introduced a new addition to its alternative fuel industrial engines, a 3.8L liter engine is based on the Hyundai 3.8L V6 automotive engine which first came into production in 2006. liter industrial engine, this one based on the Hyundai 2.4-liter liter industrial engine platform.

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Business Aviation Coalition releases new sustainable aviation fuel guide; CAAFI new member

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The Coalition also reported that it has a new member: the Commercial Aviation Alternative Fuels Initiative ( CAAFI ). CAAFI, a coalition of airlines, aircraft and engine manufacturers, energy producers, researchers, international participants and US government agencies, has been working on SAF in 2006.

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Big Blue Bus investing $18.2M to upgrade bus fleet; Cummins-Westport Near-Zero NOx engines

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million in Federal Transit Administration (FTA) and California Proposition 1B Bond funds to replace fifty 40-foot New Flyer buses purchased between 2004 and 2006. In 2014, Big Blue Bus became the first transit agency in Southern California to purchase buses with near-zero compressed natural gas (CNG) engines. Earlier post.).

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