On 2025-05-22, the Senate voted on A joint resolution providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine and Nonroad Engine Pollution Control Standards; The 'Omnibus' Low NOX Regulation; Waiver of Preemption; Notice of Decision".. The recorded result was Motion to Proceed Agreed to, with 51 Yea and 46 Nay votes. See how each senator voted below.