Duke Energy will pay $1 million over the deaths of more than a dozen protected birds.
Industry and environmental activists traded fire on Friday over controversial legal settlements that critics say force agencies to speed up their regulations.
The head of the American Fuel and Petrochemical Manufacturers is “very confident” that congressional lawmakers will change the federal renewable fuel mandate.
“Really, Congress created this thing. Congress has to fix it,” Charles Drevna said.
"Action will be taken if you do not reverse your policy," the Democratic chairman said.
The agency's new enforcement tactic comes as lawmakers push for a long-sought overhaul of the nation's chemical safety regulations.
Members passed the bill 235-187 with the help of 12 Democrats; two Republicans voted against it.
Agencies must ensure 95 percent of acquisitions are sustainable.
The chamber is expected to vote on legislation designed to rein in the Obama administration’s authority to regulate oil and gas production on federal lands.
The legislation, pressed by House and Senate Republicans, faces likely opposition from congressional Democrats.
Budget cuts and financial challenges will likely cause the Nuclear Regulatory Commission to cut back and delay some of its services, Chairwoman Allison Macfarlane said on Tuesday.
She said that the 16-day government shutdown in October was only the “most recent and most problematic” outside finance challenge. Across-the-board cuts from sequestration and Congress’s reliance on a series of short-term budget measures have also contributed to uncertainty at the agency, she said.