Hirst, Eric. <br/><br/>
Energy intensiveness of passenger and freight transport modes: 1950-1970/ 
Eric Hirst. 
 - Oak Ridge, Tenn.:  Oak Ridge National Laboratory,  1973. 
 - [v] 39 p.:  28 cm. 
<br/><br/> ORNL-NSF environmental program.  Work supported by National Science Foundation RANN program under NSF interagency agreement no. 40-237-70. 
<br/><br/>References: p. 30-31. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation---Passenger traffic--Fuel consumption.<br/>Freight and freightage---Fuel consumption.--United States<br/>Power resources---United States.
<br/><br/><label>Dewey Class. No.: </label>621.042  / H669e