"The statement from the Tennessee Valley Authority’s chief executive sounded straightforward. In “no instances,” Jeff Lyash assured members of Congress two years ago, had the federal power giant given a utility industry trade group the go-ahead to represent it in court challenges to stricter air pollution regulations.
But recently disclosed records suggest a lot of gray area on that point — ambiguity that’s now sowing questions about the sincerity of the agency’s professed commitment to more use of renewable energy sources.
Hundreds of pages of emails and other documents obtained by a watchdog organization show that a top TVA environmental manager was consistently kept in the loop about litigation brought by the now-defunct Utility Air Regulatory Group and signed off on billing statements that explicitly mentioned legal fees."