The Environmental Protection Agency eliminated direct regulation of methane from oil and gas operations Thursday, teeing up a clash with big oil majors and environmentalists, both of which argue a lack of methane rules undermines the U.S. natural gas industry’s future.

The move is the Trump administration’s latest undoing of Obama-era climate regulations, and it comes as President Trump is seeking to draw a contrast between himself and presumptive Democratic nominee Joe Biden on energy policy, and on support for U.S. fossil fuel production in particular.