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Researchers finds high levels of dangerous air particles(PM2.5) in air near electric vehicle fast charging stations. (newsroom.ucla.edu)

submitted 2 days ago* (last edited 2 days ago) by [email protected] to c/[email protected]

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At the charging stations, daily concentrations of dangerous air particles, known as PM2.5, ranged from 7.3 to 39.0 micrograms per cubic meter.

Urban sites without fast-charging stations had concentrations of PM2.5 ranging from only 3.6 to 12.4 micrograms per cubic meter.

The tiny particles likely come from particle resuspension around Direct Current Fast Charging power cabinets. Cooling fans designed to prevent the electronics from overheating can also stir up dust and particles from internal surfaces.

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[–] [email protected] 14 points 2 days ago* (last edited 2 days ago)

i don't know if i would take this study as "knowledge". that map of the us? it's just a map of chargers, not of data from the study. reading the study, they were only measuring in one county. there's no categorisation of the type of fast charger they measured, just "a variety". the error bars overlap enough that this could all be errors. and why only measure at fast chargers and gas stations? why not at other high-power electrical systems like transformer yards in urban areas? they alno have fans, surely.

question is, why publish it if it is so obviously (and willfully) wrong?