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Biofuels groups are accusing EPA of “betrayal” after the agency significantly weakened a proposal to boost biofuel blending goals under the renewable fuel standard (RFS), saying the plan unveiled Oct. 15 sets dramatically lower fuel production targets than the groups believed they had secured in a major deal with the White House.

A hazardous waste facility is urging EPA’s Environmental Appeals Board (EAB) to scrap an agency-crafted Resource Conservation & Recovery Act (RCRA) permit that includes Occupational Safety and Health Administration (OSHA) worker safety requirements, arguing that EPA cannot force permittees to follow OSHA rules in RCRA permits.

Manufacturers of “glider” trucks that contain used engines are redoubling their efforts to repeal the Obama EPA’s production limits on the sector, publicly urging the Trump administration to revive a long-moribund plan to scrap the 2016 limits on such vehicles that apply if they do not include modern pollution controls.

The next several months will reveal how much the Trump administration is prioritizing criminal environmental enforcement as the first cases started under this administration come to fruition, and will also see electronic compliance reporting continuing to increase, says a top EPA criminal enforcement official from the Obama administration.

A local clean air agency in Washington state is proposing a low-carbon fuel standard (LCFS) regulation that would apply to the greater Seattle metropolitan area, or roughly half of the state’s population, a move that may heighten pressure on state lawmakers to pursue an overriding statewide LCFS.

Researchers and other per- and polyfluoroalkyl substances (PFAS) experts at a recent National Academy of Sciences (NAS) workshop debated the concept of phasing out or replacing uses of PFAS based on how essential their use is, sparked by a publication that proposes the concept of separating PFAS into three categories of “essentiality.”

EPA, states and wastewater utilities are grappling with how regulators should respond to the emerging issue of communities with combined sewer overflows (CSOs) that have completed all the steps outlined in a Clean Water Act (CWA) plan to reduce CSOs yet still are unable to meet water quality standards.