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Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

Green Car Congress

liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor. Achates Power announced that the 10.6-liter, liter engine.

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CARB adopts Advanced Clean Fleets rule; 100% medium- and heavy-duty ZEV sales starting in 2036

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The California Air Resources Board (CARB) adopted the Advanced Clean Fleets rule ( earlier post ), which will require a phased-in transition to zero-emission medium-and-heavy duty vehicles. California is set to invest almost $3 billion between 2021 – 2025 in zero-emission trucks and infrastructure.

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California to receive more than $236M to support transit agencies’ transition to zero-emission buses

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announced that 17 local governments and transit agencies will receive more than $236 million in grants from the Department of Transportation (DOT) to aid the transition to zero-emission buses. billion in new Low-No Program emission funding and $5.1 billion in new Low-No Program emission funding and $5.1 City of Fairfield.

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CARB approves $2.6B investment for clean cars, trucks, mobility options

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billion investment plan to support the transition to zero-emission transportation. Supported projects range from incentives for cleaner trucks and buses, and mobility options such as bike- and car-sharing, to consumer rebates for clean cars. Support for commercial harbor craft: Dedicates $60 million for cleaner commercial harbor craft.

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

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California’s Low Carbon Fuel Standard (LCFS), which requires fuel producers to reduce the carbon intensity of fuel sold in the state, is largely responsible for the shift by encouraging the use and production of cleaner alternatives. Since compliance began, the program has helped to replace more than 8.6 billion gallons of diesel.

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Insight into benzene formation could help development of cleaner combustion engines

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That insight could also help the car industry make cleaner combustion engines. The industrial processes behind crude oil refineries and the inner-workings of gas-powered combustion engines can emit PAHs, which can form into toxic air pollutants such as soot. Zhao et al. This work was supported by the DOE Office of Science.

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Study finds that replacing older, highly polluting school buses could lead to 1.3 million fewer daily absences annually

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Replacing all of the oldest, highly polluting school buses in the US could lead to 1.3 Even relatively short commutes on school buses can dominate students’ daily air pollution exposures. While it is considered the safest mode of transportation from a traffic accident perspective, concerns about levels of emissions are well documented.

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