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Here is another look at PN emissions: https://nanoparticles.ch/archive/2019_Czerwinski_PR.pdf
Yes, most of those show high PN emissions @cold start or off-cycle ambient conditions. However, the firsts reference ( Real driving particle...
Yes, here are a few studies regarding PM/PN emissions from PFI engines: Real driving particle number (PN) emissions from China-6 compliant PFI...
Yes. Source-apportionment studies have shown that diesel particulate matter is a relatively minor contributor to ambient PM2.5 in spite of the...
Here are graphics from a CARB report ("California’s Informal Participation In The Particle Measurement Programme (Pmp) Light Duty Inter-Laboratory...
Yes, gasoline engine particles typically are finer. The explanation I've heard though is that diesel engines generally have higher engine-out PM...
Apparently, GPFs are not as efficient as DPF in removing exhaust particles, yet anyway - http://nanoparticles.ch/archive/2019_Czerwinski_PR.pdf
According to Argonne National Laboratory's GREET model ( https://greet.es.anl.gov/ ), the default BEV passenger car (long range) charged with 100%...
That's true whether new diesels are completely banned or not. You can't unring that bell unless they have some buy-back program, and that would...
The most recent ADAC test results showed that all 13 Euro 6d-temp diesels that were tested produced NOx emissions below the regulated limit in RDE...
Bob - here are a few more recent EEA reports that do address non-GHG emissions: "Air quality in Europe — 2018 report," EEA Report No 12/2018,...
Bob, the title of the EEA report is "Monitoring CO2 emissions from new passenger cars and vans in 2017, EEA Report No 15/2018 - Monitoring CO2...
Primary criteria pollutant emissions from diesels have been mostly taken care of. - 100% of 270 European diesel passenger vehicles type-approved...
I have never been to London, so I can't speak from personal experience. Clean Air for London is an environmental activist group, so I doubt it...
There was a study published in 2015 that measured pollutants around London from January 2011 - January 2013 (Bohnenstengel et al. “Meteorology,...
Yes. Every light-duty diesel vehicle line certified in the U.S. is subject to months of extensive additional emissions testing beyond the official...
There are a couple of more recent European studies that conclude essentially the same as the Hawkins study. One is a report from the European...
According to the Climate Science Special Report (CSSR) for the Fourth National Climate Assessment (NCA4), temperature extremes are actually...
Based on the latest version of Argonne National Laboratory's GREET model (GREET_2018), the default 2019 long-range BEV (nominally 300...
Don't really follow you here. As @bwilson4web mentions in post #1, temperatures in the polar regions are increasing relatively more than in the...
