The Ninth Circuit upheld the dismissal of a trucking association's federal preemption challenge to a California environmental regulation on diesel trucks. The regulation requires heavy-duty diesel trucks, whose emissions contribute significantly to particulate matter and ozone pollution, to be upgra...

A California appellate court ordered the dismissal of an environmental group's California Environmental Quality Act (CEQA) lawsuit against a city in connection with emergency storm drain repair and revegetation projects. Following a storm drain failure in 2009 that caused significant erosion along a...

A district court dismissed a flood protection board's lawsuit against 88 oil and gas companies for damages stemming from coastal erosion along a "buffer zone" in southeast Louisiana. The companies do not owe a legal duty to the board, arising under either Louisiana law or the Rivers and Harbors Act,...

The Texas Supreme Court reinstated a jury verdict in favor of a waste disposal facility in a trespass case filed against it by a neighboring rice farm. At trial, the farm argued that deep subsurface wastewater from the facility trespassed beneath its property, but the jury returned a verdict in the ...

A Wisconsin court remanded to the state utility commission two components of a 2013 order involving the state's distributed generation tariff for customer-owned generation, i.e., net metering customers. The tariff applies to customers who self-generate energy and compensates them for energy injected...

The Ohio Supreme Court held that a city may not restrict oil and gas drilling within its borders. The city sought to enforce five local ordinances limiting drilling within its borders after an energy company had already obtained the necessary state permits. The ordinances, however, conflict with sta...