The National Automobile Dealers Association has applauded the Department of Transportation's move to implement recently enacted legislation outlawing motor vehicle odometer spinbacks. "New car dealers sponsored a tough odometer law in the last Congress and we are delighted the Transportation Department is moving swiftly to put the law into effect," NADA president Charles J. Whittey declared. The department announced a proposed rule-making to require car owners to certify a vehicle's odometer mileage reading whenever the car is sold or traded. "Car buyers and car dealers both want assurance that a vehicle's odometer represents actual mileage," Whitney said. "This new law will give them that assurance."