Nestled in President Biden’s sprawling 2,702-page Infrastructure Investment and Jobs Act is a provision that could one day require vehicles sold in the US to come with a feature that detects when someone gets behind the wheel of their car drunk. First spotted by Reuters, the clause orders the National Highway Traffic Safety Administration (NHTSA) to study the feasibility of various alcohol-detection systems and establish a final set of rules within three years. After that period, automakers would have 24 months to comply with the new regulation.The provision doesn’t lay out the exact technologies NHTSA should explore other than to say the final product should “passively monitor” a driver to “accurately identify” whether they can drive their car safely. If the agency doesn’t finalize a set of rules within 10 years, it will have to detail the hurdles it encountered in a report to Congress.An anti-drunk driving technology isn’t the only new safety feature the bill