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Study found highly elevated PM2.5 in pre-COVID-19 subway air in NE US; NYC the worst

Green Car Congress

FEBRUARY 11, 2021

concentrations and particle composition from area samples collected in the subways of Philadelphia, Pennsylvania; Boston, Massachusetts; New York City, New York/New Jersey (NYC/NJ); and Washington, District of Columbia. g/m 3 ), followed by the MTA New York at 251 ?g/m

New York 418
New York Philadelphia New Jersey New York City 418
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Shenzhen to issue only 100K new license plates per year in effort to combat congestion and pollution

Green Car Congress

DECEMBER 31, 2014

On 30 December, the city government of Shenzhen, China announced that it will only issue 100,000 license plates per year via lotteries and auctions, with immediate effect, to fight congestion and pollution. For comparison, New York City in 2013 had a population of 8.4 By the end of 2013, it had 10.63

Pollution 218
Pollution New York City BYD 2013 218
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