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HEI launches two new non-tailpipe particulate emission studies

Green Car Congress

The Health Effects Institute (HEI) has launched two new studies funded under RFA 21-1, Quantifying Real-World Impacts of Non-Tailpipe Particulate Matter Emissions. The new studies are: Improved Characterization of the Real-World Contributions and Impacts of Non-tailpipe Particulate Matter Emissions ,” led by Greg Evans, University of Toronto.

Emissions 353
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FEV testing finds Transient Plasma ignition system increases fuel efficiency and decreases emissions

Green Car Congress

liter, direct and port fueled injection, inline 4-cylinder gasoline engine commonly used in the Camry line of vehicles. The “Dynamic Force Engine” achieves one of the world’s best thermal efficiencies of 40% in gasoline powered vehicles according to Toyota.

Emissions 243
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Mayor of London expanding Ultra Low Emission Zone London-wide; new £110M scrappage scheme

Green Car Congress

The Mayor of London, Sadiq Khan, will expand the Ultra Low Emission Zone (ULEZ) ( earlier post ) London-wide. The expansion will come into effect on 29 August 2023 and will operate across all London boroughs up to the existing Low Emission Zone boundary for large and heavy vehicles. Source: Transport for London. Source TfL.

Scrappage 273
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The importance of considering non-exhaust traffic emissions; the role of EVs

Green Car Congress

Regulatory regimes seeking to reduce emissions from transport have largely focused on tailpipe emissions—i.e., the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. Non-exhaust PM factors include tire wear, brake wear, road surface wear and resuspension of road dust. earlier post ). Background.

Exhaust 150
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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

Green Car Congress

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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Cummins Agrees to Pay $1.6 Billion in U.S. Emissions Fines

The Truth About Cars

The United States Department of Justice has accused Cummins of installing emissions defeating devices on diesel motors and decided to fine the company $1.67 The Justice Department has alleged that Cummins installed devices that allowed the engines to pass emissions during testing. billion for violating the Clean Air Act.

Emissions 111
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Mazda announces SKYACTIV-X: gasoline Spark Controlled Compression Ignition

Green Car Congress

As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. This new proprietary combustion engine combines the advantages of gasoline and diesel engines to optimize environmental performance, power and acceleration performance.

Mazda 186