Published on: 06-451. Notice of proposed rulemaking. 06-451. Fuel Economy Labeling of Motor Vehicles: Revisions To Improve Calculation of Fuel Economy Estimates
Published on: 99-11384. Notice of proposed rulemaking. 99-11384. Control of Air Pollution From New Motor Vehicles: Proposed Tier 2 Motor Vehicle Emissions Standards and Gasoline Sulfur Control Requirements