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A draft EPA research office paper urges federal and state regulators to consider new, broadly applicable stormwater policies to spur adoption of “green infrastructure” technologies in order to combat a host of barriers to implementation -- and aid climate change adaptation, an issue that also faces implementation hurdles.

An EPA advisory panel is grappling with how the agency should assist states in knowing when they can issue Clean Water Act (CWA) section 404 dredge-and-fill permits, discussing at an inaugural meeting the importance of keeping its advice focused on administrative rather than scientific or political issues.

EPA is pursuing a novel enforcement action against an out-of-state trucking company for violating California's bus and truck diesel air rule that expands the scope of enforcement for the agency-approved program far beyond the state-based companies California could sue, and other similar actions with possible settlements are expected.

State air officials are starting to assess the potential additional nitrogen oxides (NOx) emissions that could be attributed to diesel cars from Volkswagen (VW) and possibly other vehicle brands, following VW's admission that it installed "defeat devices" to cheat on EPA emissions tests by showing lower than actual emissions.

EPA's Water Infrastructure and Resiliency Financing Center is preparing to release this winter a collection of case studies and other tools to help water utilities address customers' ability to pay for drinking water and wastewater services, expanding the center's previously announced focus on innovative water infrastructure financing initiatives.

Environmentalists are urging a federal appeals court to rehear its decision that rejected their suit over EPA's rule exempting many water transfers from Clean Water Act (CWA) discharge permits without considering the actual merits of the rule, saying the judges' decision was procedurally improper and based on disputed facts.