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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. Philadelphia was comparatively the cleanest system at 39 ?g/m g/m 3 ), followed by the MTA New York at 251 ?g/m

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Study: US counties with higher PM2.5 concentrations have more stroke deaths

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lead author of the study and associate professor of epidemiology and biostatistics at the Dornsife School of Public Health at Drexel University in Philadelphia. The researchers are currently analyzing other findings that emerged from the county comparisons, including associations between higher levels of PM 2.5 —Longjian Liu.

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THINK Releases US EV-Ready Cities Index

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The remaining cities included Denver, Boston, Washington, DC, Philadelphia and Phoenix. THINK developed the EV-Ready Cities Index to measure which markets are most likely to begin and benefit from the transition to electric vehicles, providing an objective comparison of the EV purchase and usage incentives as well as the market fit for EVs.

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US Navy completes sea trial with ARA’s 100% drop-in renewable diesel fuel

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Navy engineers monitored the performance of the gas-turbine engines and generators while running on petroleum F-76 prior to taking on the ReadiDiesel to establish a baseline for comparison. The component and full-scale engine testing included performance tests to determine the combustion quality and emissions.

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EV Chargers for All!

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And with the transition now being supercharged by the proposed EPA tailpipe emissions standards , the pothole is quickly getting deeper. A typical age mix of multifamily rental housing can be seen in the greater Philadelphia region as shown in Figure 1, from a Delaware Valley Regional Planning Commission report. households.