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

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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. By comparison, aboveground air concentrations for all measured cities averaged just 16 ?g/m

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New UMTRI paper reviews major advantages and disadvantages of battery-electric and fuel-cell vehicles

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The team of Brandon Schoettle and Dr. Michael Sivak also incudes information for current gasoline-powered internal combustion engines as a baseline comparison. In addition to reviewing the technical literature, the UMTRI researchers interviewed experts in the automotive and energy sectors regarding their views concerning these issues.

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