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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. from 16.5)

Engine 368
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Emissions Analytics argues that current Pareto-efficient solution for decarbonization would be hybrids, not BEVs, based on do-no-harm

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On this basis, and of Pareto efficiency, Emissions Analytics argues, until battery-electric vehicles can reach certain performance characteristics, government and industry support should switch immediately from EVs to full hybrids to create maximum welfare. Every air pollutant is more than 90% its limit.

Emissions 395
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FHWA proposes rulemaking for states and municipalities to track and reduce GHG emissions

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The US Department of Transportation’s Federal Highway Administration (FHWA) announced a Notice of Proposed Rulemaking ( NPRM ) for states and municipalities to track and reduce greenhouse gas (GHG) emissions. The proposed rule would require MPOs serving urbanized areas with multiple MPOs to establish additional joint targets.

Emissions 332
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Stanford study finds current carbon capture technology inefficient & increases air pollution

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Jacobson, professor of civil and environmental engineering at Stanford University, suggests that carbon capture technologies are inefficient and increase air pollution. However, this research finds that it reduces only a small fraction of carbon emissions, and it usually increases air pollution.

Pollution 271
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GM and EDF announce recommended principles on EPA emissions standards for Model Year 2027 and beyond

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General Motors and Environmental Defense Fund announced a set of recommendations that seek to accelerate a zero-emissions, all-electric future for passenger vehicles in model year 2027 and beyond. Standards should be designed in a manner consistent with EPA’s long-standing regulation of emissions from new motor vehicles.

EPA 186
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NUS researcher links air pollution to increased residential electricity demand

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The study, set in Singapore, suggests that better air quality will bring about climate co-benefits in reducing electricity generation via lower household demand, and thus mitigating carbon emissions. This is important for policymakers when forecasting and influencing future emissions paths in the context of climate change.

Pollution 275
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EPA proposes stringent new emissions standards for light-, medium-, heavy-duty vehicles for MY 2027 and beyond

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The US Environmental Protection Agency (EPA) announced two new proposed federal emissions standards spanning light-, medium- and heavy-duty vehicles for model year 2027 and beyond. The light-duty vehicle category includes passenger cars and light trucks consistent with previous EPA criteria pollutant and GHG rules.

EPA 210