A year into his tenure, Secretary Ryan Zinke has emerged as the point person for the administration's goal of American "energy dominance."
Oil and Gas
Energy producers are responding to prices.
The regulations set requirements for installing, testing and shutting down flowlines, which carry oil and gas from wells to nearby equipment.
Interior had previously announced it was delaying the Obama-era rule until January 2019, arguing that it was overly burdensome to industry.
The plaintiffs want state regulators to require energy companies to show they would not harm human health or the environment before drilling.
Thirty-two-year-old Oscar Lopez Velasquez died in the explosion.
Drilling activity doubled as the price of oil jumped last year. Along with that, there were 88 more spills of oil or water from drilling sites.
Few, if any states, map flowlines. Big energy developing states like neighboring Wyoming or Texas do not have any mapping requirement.
Colorado regulators will discuss what, if any, revisions are needed to the rules. They could approve them as soon as today.
The long-awaited change drew praise from Denver-based Western Energy Alliance, which sued to block the rules.