Diesel trucks, largely aquot;18-wheelersaquot; used to haul freight over the interstate highway system, annually consume about 2.4 quads. Fuel costs are currently a significant part of the operating costs of these vehicles, and strong economic incentives exist to make these trucks more efficient and ... While the committee did not consider mode switching in much depth, freight trains are far more efficient than trucks.
|Title||:||Confronting Climate Change|
|Author||:||Committee on Alternative Energy Research and Development Strategies, Energy Engineering Board, Commission on Engineering and Technical Systems, Division on Engineering and Physical Sciences, National Research Council|
|Publisher||:||National Academies Press - 1990-01-15|