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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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EPIC: state-level renewable electricity mandates increase electricity prices up to 17% over 12 years; cost more expensive than benefit

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A new study analyzing data from the 29 states and District of Columbia with mandatory RPS policies finds that the policies come at a high cost to consumers and are inefficient in reducing carbon emissions. The paper estimates that this increased renewable generation reduced the carbon intensity (i.e.,

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DOE releases three reports showing strong growth in US fuel cell and hydrogen market

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The Carbon Trust also issued a report highlighting promising UK efforts that, according to the report, have the potential to achieve $36 per kW. 2012 Fuel Cell Technologies Market Report. The US, Germany, Sweden, Denmark, Finland, Japan, and other countries bolstered efforts to deploy hydrogen fueling infrastructure.

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Honda joins vehicle-to-grid technology demonstration project in partnership with University of Delaware and NRG Energy

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—Willett Kempton, professor in the College of Earth, Ocean, and Environment and Research Director of the University of Delaware’s Center for Carbon-Free Power Integration. The demonstration is conducted in the area served by PJM Interconnection, which controls electricity supply in 13 states and the District of Columbia.

Delaware 304