The Ninth Circuit held that the CAA does not preempt a California air pollution district rule requiring development sites to reduce the amount of pollutants they emit. CAA §209(e)(1) only preempts those standards or requirements relating to the control of emissions from "new" construction e...

The Fifth Circuit held that an energy company's current and ongoing construction of a coal-fired power plant, for which no maximum achievable control technology (MACT) determination has ever been made, violates CAA §112(g). In ordinary circumstances, there would be no question as to whether...

The Fifth Circuit held that a "farmout agreement," under which the owner of a federal offshore oil and gas lease transferred its rights to drill to another drilling operator, does not require the operator to bear a proportionate share of the costs of decommissioning an oil platform at the le...

The First Circuit upheld a FERC order requiring a precision tool and instrument manufacturer to seek licensing under §23(b) of the Federal Power Act before it can proceed with certain changes to a hydroelectric generating facility project on its property. Under §23(b), the company must seek l...

The D.C. Circuit denied medical waste trade associations' petition for review challenging EPA's performance standards for new and existing hospital/medical/infectious waste incinerators (HMIWI). The associations argued that the data set EPA used to establish the standards was flawed. But EPA's ...

The Seventh Circuit denied environmental groups' petitions challenging EPA's approval of revisions to Wisconsin's new source review program. In 2002, EPA changed the rules that determine when polluters need permits in order to modify existing facilities—and, if they need permits, what restrictions...