If Big Oil was starting to feel good about its government-sponsored climate-era glow-up, they may be in for a rude awakening, with the U.S. Energy Department reportedly preparing to pull the plug on nearly $10 billion in clean-energy funding, according to new memos seen by the Wall Street Journal.

The DOE’s move could put everything from hydrogen hubs to carbon capture collaborations in the crosshairs—yes, even those buzzy projects with ExxonMobil and Occidental.

According to internal memos making the rounds, the cuts could gut two key DOE offices tasked with steering the country’s most ambitious decarbonization efforts. That includes government contracts already inked or in the pipeline, which means a whole lot of projects might suddenly find themselves without a dance partner—or a checkbook.

The irony is rich. For over a year, energy giants like Exxon, Chevron, and Occidental have begged Washington for clarity and consistency in clean energy policy. “Just give us the rules and we’ll play,” they said. So D.C. gave them money instead. Now? Cue the nervous glances as the rules—and the funding—start evaporating.