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Rolls-Royce successfully tests 12-cylinder mtu engine with pure hydrogen

Green Car Congress

Rolls-Royce has conducted successful tests of a 12-cylinder gas variant of the mtu Series 4000 L64 engine running on 100% hydrogen fuel. For several months, the mtu gas engine has been undergoing bench testing and continuous improvement in terms of efficiency, performance, emissions and combustion using 100% hydrogen as fuel.

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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). The LCFS is one of several programs developed under AB 32 (the 2006 Global Warming Solutions Act) to cut California’s emissions of climate warming greenhouse gas.

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Cummins unveils 15L hydrogen engine

Green Car Congress

At the recent ACT Expo in Long Beach, California, Cummins debuted its 15-liter hydrogen engine. This engine is built on Cummins’ new fuel-agnostic platform, where below the head gasket each fuel type’s engine has largely similar components, and above the head gasket, each has different components for different fuel types.

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DOE awarding $52.5M to 31 clean hydrogen projects

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million to fund 31 projects to advance next-generation clean hydrogen technologies and support DOE’s recently announced Hydrogen Energy Earthshot initiative ( earlier post ) to reduce the cost and accelerate breakthroughs in the clean hydrogen sector. Clean hydrogen production, including biological and electrochemical approaches.

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WinGD says its engines will be able to run on methanol from 2024 and ammonia from 2025

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Swiss engine designer WinGD, a leading developer of two-stroke low-speed gas and diesel engines used for propulsion power in merchant shipping, said that its engines will be able to run on methanol and ammonia from 2024 and 2025 respectively. —Volkmar Galke, Director of Global Sales, WinGD.

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Nevada launches “Clean Cars Nevada” effort; adopting California LEV and ZEV

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Nevada Governor Steve Sisolak announced the “ Clean Cars Nevada ” initiative, which will evaluate the adoption of new regulations to provide Nevadans with more choices for low and zero emission electric passenger cars and trucks at dealerships throughout the state beginning in 2024.

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EPA finalizes MY 2027 heavy-duty truck NOx standards; first step in Clean Trucks Plan

Green Car Congress

The US Environmental Protection Agency (EPA) finalized more stringent NO x emissions limits for model year 2027 and later heavy-duty engines and vehicles. The newly announced rule does not include final action regarding the proposed targeted updates to the existing Heavy-Duty Greenhouse Gas Emissions Phase 2 program (HD GHG Phase 2).

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