This month, the White House will decide the fate of a set of federal rules called the Corporate Average Fuel Economy standards, or cafe standards. These laws regulate the miles-per-gallon number of “light-duty vehicles”—that is, sedans, minivans, Ford F-150s, and anything else that’s street-legal and weighs less than 10,000 pounds. Energy Policy Institute at University of Chicago Executive Director Sam Ori weighs in on the fluid nature of automakers' approach to CAFE standards during the Obama and Trump administrations and analyzes' the current policy's shortcomings. Rhodium Group research on emissions impacts is cited.