The Senate voted 73-25 on Monday evening to invoke cloture on the Bipartisan American Affordability and Jobs Act, clearing the key procedural hurdle for a nearly 500-page bill that would overhaul federal permitting for energy and infrastructure projects across the country.

The vote limits debate and sends the legislation — better known as BAAJA — toward a final vote. Four senators negotiated the deal: Shelley Moore Capito (R-WV), Mike Lee (R-UT), Sheldon Whitehouse (D-RI), and Martin Heinrich (D-NM). They needed 60 votes to move forward. They got 73, with 22 Democrats voting yes and only one Republican, Sen. Mike Rounds of South Dakota, voting no.

That margin matters. Several members who voted "aye" have not committed to supporting final passage, and ahead of the vote advocates said they need at least 15 to 20 Democrats on board to whip enough votes in the House.

What does the bill actually change?

BAAJA would streamline the federal permitting process for a wide range of projects — highways, pipelines, and power lines among them. Its core mechanism is reform of the National Environmental Policy Act, the 55-year-old law requiring federal agencies to evaluate the environmental effects of major actions such as issuing permits and licenses for large projects.

The bill also touches other bedrock statutes:

• The Clean Water Act
• The National Historic Preservation Act
• The Endangered Species Act

More broadly, the legislation shortens the window for lawsuits challenging environmental reviews of new projects and includes measures to accelerate transmission build-out. One Democratic priority provision would make it harder for the president to revoke project permits — significant because Trump has halted construction of renewable energy sources. The bill would also stop data centers from passing their electricity and energy costs on to consumers.

If passed, it would arguably be the most economically significant bill Trump signs in his second term.

What changed in the weekend amendment?

Negotiators released an updated version over the weekend through a manager's amendment (a package of revisions offered by bill managers), containing "clarifying, conforming, and technical edits" responding to concerns from environmental groups, tribal communities, and utilities.

The changes include:

• Extending the window for objections to certain environmental reviews
• Giving states a pathway to ask federal regulators to investigate local utility projects
• Preserving collective bargaining agreements at power marketing administrations
• Creating a new data center community assistance program at the Department of Energy

The amendment also rewrote the most contested tribal provisions. It cuts a measure that would have let the Interior secretary assume the responsibilities of a tribal historic preservation officer in some cases, and strikes a controversial definition of "property of traditional religious or cultural importance." It adds requirements for more consultation with tribes and native organizations, plus technical assistance, training, and support for Tribal Historic Preservation Offices.

Heinrich told reporters Monday that the changes give tribes an equal seat with states in transmission planning and require agencies to consult tribes early on projects affecting important cultural sites.

Who supports it — and who still doesn't?

The bill's coalition is unusually broad: dozens of clean energy and manufacturing associations, more than 300 solar and storage companies, oil companies, utility firms, some climate groups, and lawmakers from both parties. The Edison Electric Institute, representing U.S. utilities, endorsed the amended bill — notable because major utilities lobbied against a similar Manchin-Barrasso permitting proposal in the last Congress.

Trump weighed in on the eve of the vote, calling the bill a "BIG WIN for U.S. ENERGY INDEPENDENCE AND DOMINANCE" and saying it would codify his "America First" energy agenda. His comments mark the first direct signal from the Oval Office that he would support legislation accelerating renewable energy deployment.

The opposition hasn't moved. The Sierra Club, the League of Conservation Voters, and The Wilderness Society redoubled their criticisms and pressed lawmakers not to rush the vote. National tribal and preservation associations remain largely opposed. Still, filmmaker and activist Julian Brave Noisecat called the amendment a "real effort at compromise," pointing to a provision excluding tribal records shared with governments from the Freedom of Information Act "to keep sensitive sacred sites from exposure."

"That sort of in-the-weeds detail — a nod to tribal data sovereignty — tells me that there's real effort here to try to honor tribal consultation," he said.

What happens in the House?

The bill faces an uphill battle there. Many Democrats want to push permitting talks into the next Congress, when they'll hold the majority in both chambers. Bill advocates counter that Democrats won't get a better deal Trump would still sign.

Democrats have also feared the president won't implement reforms fairly for wind and solar. The administration has advanced wind project reviews through the Department of War, though wind proponents note the Pentagon was court-ordered to move after stalling for months. And minutes before Monday's vote, Trump said he would not approve any wind farms, calling the projects "losers."