Samenvatting
The papers in this volume address energy, environmental concerns, and natural resources. Car scrapage rates and their effects on fleet fuel efficiency in the United States between 1966 and 1992 are described. Transportation energy consumption and energy intensity from 1972 to 1992 are reviewed. Pavement damage caused by buses fuelded by compressed natural gas is assessed, and the market for electric vehicles is reexamined. Another paper reports on studies to evaluated the costs and benefits associated with technologies for reducing vehicle emissions.