lbid 2297 international network for energy demand analysis in the industrial sector environmental technologies division june 1999 this work was supported by climate protection office of air and radiation us agency through department under contract no de ac03 76sf00098 ernest orlando lawrence berkeley national laboratory 2 disclaimer document prepared as an account sponsored united states government while is believed to contain correct information neither nor any thereof regents university california their employees makes warranty express or implied assumes legal responsibility accuracy completeness usefulness apparatus product process disclosed represents that its use would not infringe privately owned rights reference herein specific commercial service trade name trademark manufacturer otherwise does necessarily constitute imply endorsement recommendation favoring views opinions authors expressed do state reflect those