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Air

Clock starts for challenges to NSR aggregation 'action'

EPA's publication in the Federal Register of its decision to revive a Bush-era policy on combining industrial projects for air permitting starts a 60-day clock for legal challenges.

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California Said To 'Counter' EPA Vehicle GHG Proposal Amid New Talks

California and Trump administration officials are again ramping up negotiations over changes to vehicle greenhouse gas and fuel economy rules, with the parties hosting a Nov. 13 meeting -- the first of its kind in more than six weeks -- to discuss the issue amid EPA claims that the state has submitted a “counter-proposal.”

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EPA plans to scrap Texas SO2 nonattainment findings

EPA is preparing a proposal that would scrap an Obama administration finding that five Texas counties are violating the sulfur dioxide national ambient air quality standard.

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EPA's Truck Plan May Limit California But Officials Promise Collaboration

EPA's plan to develop new rules to limit nitrogen oxide (NOx) from heavy-duty trucks could provide the sector leverage to negotiate flexibilities with California, which is planning its own rules, but the plan is also prompting cautious praise from environmentalists and others who suggest the effort may avoid the kind of clash occurring in the light-duty sector.

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EPA Poised To Announce Plans For New Heavy-Duty Truck Rulemaking

EPA on Nov. 13 is poised to announce a Cleaner Trucks Initiative that is expected to include plans for a future rulemaking to update nitrogen oxides (NOx) emissions standard for heavy duty trucks, a measure long sought by state and local officials though the measure could also include some important flexibility for manufacturers.

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EPA sends PM2.5 'precursor' air quality planning guide for OMB review

The guidance would finalize an Obama EPA plan that drew criticism from some state and industry groups that said it would lead to overly strict limits and from environmentalists who said it was not tough enough.

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ACE Comments Spark Contentious Debate Over Legality Of NSR Changes

EPA is facing starkly different interpretations of the legality of its plan to ease the threshold for triggering strict new source review (NSR) air permits for coal plants complying with its proposed utility climate rule, reviving a decades-old debate with pro-coal industry groups backing the changes and environmentalists strongly opposed.

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Judge rejects part of suit seeking U.S. climate reports to United Nations

>The judge has given environmentalists 30 days to explain why they suffered injury from the administration's failure to submit the reports.

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Environmentalists, Power Sector Wage 11th-Hour Effort To Preserve MATS

Environmentalists and the power sector are waging an 11th-hour effort calling on the White House and EPA to preserve the Obama-era mercury emissions rule for utilities, with environmentalists aiming to keep the rule intact while utilities that have invested millions of dollars to comply want it retained with changes to ease some requirements.

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Draft EPA Guide Redefining 'Ambient Air' Would Ease Air Law Compliance

EPA in new draft guidance is floating a new definition of “ambient air” that would make it easier for industries and regulators to exclude facilities from Clean Air Act requirements if the general public has no access to them, because the revised definition expands the scope of when areas deter or preclude access by the general public.

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