TY - GEN AU - Mills,Evan TI - The new downstream: increased end-use efficiency and renewable forms of energy as competitive energy resources T2 - U. S. Geological Survey Professional paper, 1570 KW - Ressource énergétique KW - Marche KW - Gaz naturel KW - Analyse économique KW - Production énergie N1 - bibliogr. p. 866-867 ER -