NHTSA’s 34.9-MPG Fuel-Economy Target Faces Federal Lawsuit Over Driver Costs
A federal lawsuit is testing a basic affordability tension in U.S. vehicle policy: whether easing fuel-economy requirements can lower new-vehicle…
fuel-economy
NHTSA Proposal Estimates $930 Lower Vehicle Cost, $185 Billion More Fuel
A weaker federal fuel-economy rule presents buyers with two very different cost figures. The National Highway Traffic Safety Administration estimates…
NHTSA Moves to End Separate Big-Rig Engine Economy Rules, Expanding Design Flexibility
A heavy truck does not save fuel through its engine alone. Its transmission calibration, cab shape, tires, mass and other…