__, _ Poor Driving, High Fuel Cost Plague New Cars Air-adjustable shocks . . . are designed for heavily loaded ... Spokesmen for General Motors, Ford, Chrysler, and American Motors painted a grim picIUIa#39;CI I Emission-control hardware ... of battery power and a gasoline engine) for commuting tied to mass transit; and gasoline engines for long trips between cities. ... Engine timing marks should be plainer.