An Ohio court struck down a city's ban on drilling new oil and gas wells within its jurisdiction. On the one hand, the ban is a clear exercise of the city's police power; by attempting to ban oil and gas drilling, the city is trying to protect the public health and general welfare. But the ban is in...

The D.C. Circuit upheld DOI's five-year plan for oil and gas leases on the outer continental shelf (OCS). A nonprofit group argued that the 2012-2017 leasing schedule violated §18(a) of the Outer Continental Shelf Lands Act, which governs how DOI is to balance competing economic, social, and enviro...

An Arizona court overturned the state's issuance of an air permit for a proposed open-pit copper mine. An environmental group argued that the state's approval of the permit was arbitrary and capricious because the mine has the potential to violate NAAQS. They also claimed that the mine's modeling re...

The Ninth Circuit denied an environmental group's petition challenging EPA's approval of a revision to California's SIP. The revision provided alternative "not less stringent" controls to what is required in CAA §185's antibacksliding measures, which require that major stationary sources of polluti...

The D.C. Circuit upheld FERC's approval of a cost-pooling agreement among Trans Alaska Pipeline System oil carriers that allocates most fixed costs on the basis of each carrier's share of combined interstate and intrastate utilization of the 800-mile pipeline. Two carriers that only ship oil within ...

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...