A team of plaintiffs lawyers who successfully challenged the U.S. Environmental Protection Agency’s effort to delay implementation of an oil and gas rule are asking a federal appeals court to award more than $300,000 in legal fees.

The U.S. Court of Appeals for the D.C. Circuit last year rebuked the Trump administration’s EPA for pausing enforcement of Obama-era regulations concerning methane and other greenhouse gas emissions. The rule imposed certain air-pollutant monitoring and reporting requirements on oil and gas companies.