TY - BOOK AU - Mayda,Jaro ED - University of Puerto Rico System TI - Transportation energy conservation in Puerto Rico: potential, approach methodology, and prospect to 1985 AV - HE228 .M39 1981 U1 - 333.79 19 PY - 1981///] CY - [San Juan] PB - Center for Energy and Environment Research, University of Puerto Rico KW - Transportation KW - Puerto Rico KW - Energy conservation KW - Local N1 - Cover title; "October 1981."; "CEER-X-132."; Bibliography: p. 65-70 ER -