And as a happy side effect, it'd also eliminate emissions equivalent to removing 1.5 million gas-powered cars from the road over the next 20 years. That would be a massive climate impact for a bill that wouldn't need to mention climate at all — and a massive win for transportation advocates who understand how truly inextricable mobility and environmental policy are. "In the transportation world, safety is always first. "Yes, there's an emissions reduction associated with that, which makes it a fantastic climate bill. [But it's also] a fantastic bipartisan option for emissions reduction, even in a highly adversarial legislative environment."