Seeking answers about a czar's powers

Judicial Watch is using the Freedom of Information Act as the basis for its suit. It wants documents related to negotiations over fuel efficiency standards for cars and trucks and cap-and-trade legislation.

EPA failed to respond in a timely manner, the group said. The Energy Department meanwhile denied it had any documents of the type Judicial Watch was seeking.

The group said the court challenge is part of a larger investigation into Obama administration “czars.”