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ICL briefing paper estimates that 52% of all small particle pollution from road transport comes from tires and brakes

Green Car Congress

A new briefing paper from Imperial College London estimates that in 2021, 52% of all small particle pollution from road transport came from tires and brakes. The Imperial researchers say that the effect of new technologies on the generation and impact of tire wear should be a priority. Scale bar of 10 μm = 0.01

Pollution 243
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Study finds that current approach to limiting wintertime pollution may initially backfire

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The processes that create ozone pollution in the summer can also trigger the formation of wintertime air pollution, according to a new study from researchers at the University of Colorado Boulder and NOAA, in partnership with the University of Utah. A key control strategy is to reduce emissions of the limiting reagent.

Pollution 223
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EPA to develop options to reduce NOx and PM from locomotives further

Green Car Congress

The US Environmental Protection Agency (EPA) is responding to petitions from the California Air Resources Board, the San Joaquin Valley Air Pollution Control District, and the California Air Pollution Control Officers Association to address harmful nitrogen oxide (NO x ) and particulate matter (PM) emissions from locomotives.

EPA 305
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Poor air quality to remain a problem in India despite pollution control policies

Green Car Congress

in 2030 even if India were to comply with its existing pollution control policies and regulations. However, aligning sustainable development policies to the implementation of advanced emission control technologies could provide NAAQS-compliant air quality to about 85% of the Indian population. levels by 20-30% over the next five years.

Pollution 268
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New study shows a rapid increase of diesel-fueled backup generators across California

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Diesel generators release greenhouse gases, particulate matter (PM), volatile organic compounds (VOCs), nitrous oxides (NO x ) and sulfur dioxide (SO 2 ), harmful pollutants that create smog and exacerbate respiratory conditions. This pollution, in turn, may trigger upwards of $31.8 Of these, 20,907 are diesel-fueled.

Diesel 480
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CMU study finds SOA levels in cities like LA will remain high despite cleaner cars; nonlinear relationship between SOA and NOx

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The findings of a study by researchers at Carnegie Mellon University, with colleagues at UC Berkeley, suggest that changing atmospheric NO x levels over the next two decades will likely significantly reduce the effectiveness of stricter new gasoline vehicle emissions standards in reducing concentrations of secondary organic aerosol (SOA).

Cleaner 191
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California Assemblymembers introduce bill phasing out gasoline-fueled small off-road engines

Green Car Congress

Today, operating the best-selling gas-powered commercial leaf blower for one hour emits air pollutants comparable to driving a 2017 Toyota Camry from Los Angeles to Denver. It’s time to phase out these super polluters. We can and must help small landscaping businesses replace their gas-powered equipment with cleaner alternatives.