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...