Gas pipeline operators sue EPA over turbine air rule

Gas pipeline operators Williams Companies, Inc. and TransCanada Pipeline USA Ltd. are suing EPA over its March 9 rule lifting a years-long stay on formaldehyde emissions limits for certain types of stationary gas turbines, including those used to transmit gas along pipelines. In their suit filed May 9 in the U.S. Court of Appeals for the District of Columbia Circuit, the companies give no arguments for their legal action. Many industrial companies are, however, opposed to what they say are...