This joint resolution seeks to block a fuel economy regulation issued by the National Highway Traffic Safety Administration that sets new efficiency standards for passenger cars, light trucks, and heavy-duty pickups and vans starting in model years 2027 and 2030. The rule, published in the Federal Register on June 24, 2024, would establish Corporate Average Fuel Economy Standards requiring vehicles to meet stricter fuel efficiency requirements going forward. If approved, this resolution would use Congress's disapproval power under federal law to nullify the regulation entirely, preventing it from taking effect. The resolution was introduced by a bipartisan group of 30 senators led by Senator Ted Cruz and referred to the Senate Committee on Commerce, Science, and Transportation. No specific funding or implementation timeline is mentioned in the resolution itself, as it is designed solely to reject the existing regulatory action.