Colorado’s two U.S. senators split their votes today on whether to debate the fate of the Bureau of Land Management’s regulations aimed at reducing leaks of methane, a potent greenhouse gas, into the atmosphere.

The U.S. Senate voted 51-49 against launching into a debate under the Congressional Review Act whether to roll back the BLM regulation, which in effect lets the rule stand.

The methane rule was i ssued days after the November 2016 presidential election, with the Interior Department saying it was expected to cut methane emissions by as much as 35 percent.

U.S. Sen. Cory Gardner, a Republican, voted in favor of the debate today. U.S. Sen. Michael Bennet, a Democrat, voted against the debate.

Read more at Denver Business Journal.