Two interest groups are at odds over a proposal in the $1 trillion federal infrastructure bill that would require all passenger cars to feature drunk and impaired driving sensors by 2024. For Mothers Against Drunk Driving (MADD), President Joe Biden’s bill represents a huge victory, said Stephanie Manning, the group’s chief government affairs officer. Media only discovered the proposal on Aug. 2, although the bill has been debated for months. Manning said it was bittersweet to see the measure pass hidden in the 2,700 page infrastructure bill rather than in its own legislation. But that method avoided a political fight about the issue. “Once this becomes law and we start the rulemaking process, we’re going to hopefully start educating consumers and the public about why this has to happen, she said. “And it won’t be sort of hidden in the pages of a document anymore.” Jackson Shedelbower, the communications director of …