A district court denied oil and gas companies' motions to dismiss claims that their use and handling of methyl tertiary butyl ether (MTBE) has contaminated, or threatens to contaminate, groundwater in Puerto Rico. The companies argued that Puerto Rico's island-wide claims for relief should be dismis...

A district court, on motions for reconsideration and clarification of a prior remand order, vacated and remanded DOI's record of decision (ROD), EIS, and biological opinion (BiOp) concerning a large wind energy project in Nevada. In the prior remand court, the court held that DOI failed to fully exp...

The Federal Claims Court held that the U.S. government may not engage in discovery about oil companies' insurance policies in an underlying case concerning cleanup costs stemming from the production of high-octane aviation gas (avgas) during World War II. The Federal Circuit previously held that the...

The Sixth Circuit held that the CAA does not preempt property owners' state common law tort claims against a nearby power plant for allowing ash, dust, and coal combustion by-products to blow onto their properties. The owners brought RCRA and CAA claims against the power plant in addition to their s...