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

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A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion.

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NFI receives new contract for up to 166 zero-emission buses from Manitoba’s Winnipeg Transit; fuel-cell and battery-electric

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NFI Group subsidiary New Flyer Industries Canada ULC has received new firm orders for 16 battery-electric and fuel cell-electric transit buses from Winnipeg Transit. The contract also has options to be extended for up to four years to purchase up to 150 40-foot zero-emission buses (ZEBs).

Emissions 370
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Airbus developing hydrogen fuel cell engine

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Airbus is developing a hydrogen-powered fuel cell engine. The propulsion system is being considered as one of the potential solutions to equip its zero-emission aircraft that will enter service by 2035. —Glenn Llewellyn, VP Zero-Emission Aircraft, Airbus.

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Cummins and Komatsu to collaborate on advancing development of zero emissions mining haul trucks

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Cummins and Komatsu, a global provider of equipment and services for the construction and mining industries, have signed a memorandum of understanding to collaborate on the development of zero-emissions haulage equipment. Additionally, Komatsu intends to explore further possibilities in zero emissions mining haul truck development.

Emissions 397
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UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

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In a recent open-access paper published in ACS’ Environmental Science & Technology , researchers from the University of York report that alcohols in windshield washer fluid account for a larger fraction of real-world vehicle emissions than previous estimates have suggested. Cliff et al. —Cliff et al.

Emissions 397
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DOE: Life cycle GHG emissions for 2020 electric small SUV were half those of a conventional gasoline small SUV

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C2G emissions are a sum of WTW emissions and emissions associated with vehicle manufacturing. C2G emissions are a sum of WTW emissions and emissions associated with vehicle manufacturing. When fueled by hydrogen produced from landfill gas, the total dropped to 117 g CO 2 e/mi.

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Carbon emissions from generating electricity for electric vehicles vary greatly across the individual US states

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by Michael Sivak, Sivak Applied Research The overall advantage of battery electric over gasoline vehicles, in terms of well-to-wheels emissions of greenhouse gases, has been well documented. However, the emissions of electric vehicles depend greatly on the energy source used to generate the electricity that powers them.