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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. However, these reduced emissions came at a high cost. —Michael Greenstone. —Michael Greenstone.

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US Court of Appeals dismisses National Chicken Council challenge to EPA’s rulemaking on GHG reduction compliance for certain ethanol plants

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The US Court of Appeals for the District of Columbia Circuit rejected a petition (Case Nº 10-1107) by the National Chicken Council, National Meat Association, and National Turkey Federation challenging the Environmental Protection Agency’s (EPA) rulemaking on the RFS2. it counts as renewable fuel whether it reduces emissions or not.

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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. Based on the average mix of renewable and non-renewable electric power sources in the US, the average well-to-wheels GHG emissions for BEVs is the lowest, at 214 g/mi.

San Diego 150