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CSIRO finds hydrogen could reduce aviation emissions within 5 years

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A new report from Australia’s national science agency CSIRO shows that clean hydrogen can significantly reduce aviation emissions with potential benefits seen within five years. This involves the replacement of on-airport ground support equipment, currently running on liquid fuels and batteries, with hydrogen powered fuel cell alternatives.

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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

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In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.

Exhaust 539
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Study finds GHG emissions from corn ethanol now 46% lower than gasoline

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A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. EH&E) and Adjunct Professor of Environmental Health at Harvard’s T.H. —Scully et al.

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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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UCS: ride-hailing trips can produce nearly 70% greater emissions compared to private car trips

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A new report by the Union of Concerned Scientists (UCS) finds that the rising use of ride-hailing services is increasing carbon emissions, with ride-hailing trips producing nearly 70% greater emissions compared to the trips they are replacing. Error bars for bus and rail emissions represent variability among cities. Source: UCS.

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NACFE releases guidance report on hydrogen fuel cell heavy-duty trucks

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The North American Council for Freight Efficiency (NACFE) released its latest Guidance Report , Making Sense of Heavy-Duty Hydrogen Fuel Cell Tractors. Almost every day there is a new announcement about hydrogen fuel cell electric trucks. Fill times are moving targets for both fuel cell and battery electric vehicles.

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Wärtsilä and Grieg to build green ammonia-fueled tanker

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The technology group Wärtsilä and Grieg Edge, the innovation hub of Norwegian shipping group Grieg Star, are jointly running a project to launch an ammonia-fueled tanker producing no greenhouse gas emissions by 2024. Both Wärtsilä and we feel confident that this project represents the future for the maritime sector. million (€4.4-million)

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