Possible MY21 GHG Rule Changes Could Scuttle Deal On Light Truck Gains

If federal officials follow through with their suggestions that they might weaken model year 2021 greenhouse gas and fuel economy rules for light-duty vehicles, it could give a particular break for light trucks, critics say, jettisoning an automakers' agreement to accept tougher standards in the later years of the regulatory program in exchange for softer limits in early years. The dynamic comes as automakers are publicly reticent to discuss their views on possible changes to the MY21 requirements, even as...