Air

Tracking the latest agency and congressional debates over rules to cut emissions of traditional pollutants, and a broad range of novel EPA policies including the agency's shift to a "multipollutant" regulatory approach for individual sectors.

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Tracking the latest agency and congressional debates over rules to cut emissions of traditional pollutants, and a broad range of novel EPA policies including the agency's shift to a "multipollutant" regulatory approach for individual sectors.






Wehrum sidesteps queries on SAB review of science rule

EPA air chief Bill Wehrum sidestepped questions from a Democratic lawmaker on whether the agency's Science Advisory Board (SAB) should review Administrator Scott Pruitt's science transparency rule, raising questions on whether officials will urge the board later this month to reject calls from one of its working groups to review the rule. During May 16 testimony before the House Energy and Commerce Committee's environment panel, Rep. Paul Tonko (D-NY), the panel's ranking Democrat, asked Wehrum if he believed that “SAB...


As Rollback Plan Advances, EPA To Meet With California On Vehicle GHGs

EPA's top air official says he plans to meet with California regulators next week regarding the Trump administration's pending plan to roll back vehicle greenhouse gas and fuel economy standards, amid reports that officials may not be as committed to working out a deal with the state before issuing their plan as some had previously believed. The Wall Street Journal reported that Trump officials won't give any “special treatment or outreach” to California before issuing the proposal, and another...

Wehrum Backs House Bill To Reform NSR Program Despite Dim Prospects

EPA air chief William Wehrum is offering strong support for pending House legislation to overhaul and ease the Clean Air Act new source review (NSR) permitting program by claiming it would provide long-sought regulatory clarity, but the bill appears to face dim prospects as Democrats expressed uniform opposition to the measure. Even if the discussion draft bill by Rep. Morgan Griffith (R-VA) can clear the House, Democrats' objections mean it would likely fail to gain the 60 votes needed to...


Top Advisors Pan Pruitt's Science Transparency Rule, Seek SAB Review

Top EPA science advisors, including Administrator Scott Pruitt's hand-picked chair of the agency's Science Advisory Board (SAB), are strongly criticizing the administrator's controversial plan to require only publicly available research to justify its regulations, charging it will undermine rules' integrity and was developed without adequate review. “The proposed rule does not include any assessment of the impact of data restrictions on existing or future regulatory programs. Without access to the restricted data, regulatory programs could become more or less stringent...

EPA sends proposed SO2 NAAQS review for OMB review

EPA has sent its proposed review of the existing sulfur dioxide (SO2) national ambient air quality standards (NAAQS) for White House Office of Management & Budget (OMB) review, a rule that is expected to either propose leaving the current standards in place or potentially float a slight softening of the SO2 limit. Under a legal deadline, EPA must propose a new SO2 NAAQS rule by May 25, and sign a final rule by Jan. 28. EPA sent the rule for...

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