TY - BOOK ED - US. National Aeronautics and Space Administration TI - Energy conservation alternatives study (ECAS) U1 - 621.4 PY - 1976/// CY - Washington PB - NASA KW - Energy conservations KW - Heat engines N1 - Phase 1 : Comparative evaluation of phase 1 results from the ECAS. Phase 2 : Evaluation of phase 2 conceptual designs and implementation assessment resulting from the ECAS. 1977 ER -