Things are getting nutty in the world of vehicle fuel economy standards. Last week, Transportation Secretary (and ex-reality TV contestant) Sean Duffy declared that he was resetting the Corporate Average Fuel Economy (CAFE) standards that govern vehicle fuel efficiency in the US. So while it works on reversing those standards, Duffy said the Trump administration would simply stop enforcing the current ones. Experts say rolling back the CAFE standards will have the opposite effect: cars will be less fuel efficient, forcing their owners to shell out more for gas over time. Meanwhile, Senate Republicans are racing ahead with a budget reconciliation bill that would zero out fines for automakers that fail to meet the current CAFE standards — in effect making those rules completely toothless.