Lawrence Berkeley National Laboratory has developed a number of models, tools, and databases to assist in the evaluation of energy or greenhouse gas emissions trends as well as energy-efficiency or emissions mitigation technologies and practices.
Links:
[1] http://industrial-energy.lbl.gov/node/100
[2] http://industrial-energy.lbl.gov/node/104
[3] http://industrial-energy.lbl.gov/node/353
[4] http://industrial-energy.lbl.gov/node/103
[5] http://industrial-energy.lbl.gov/node/102
[6] http://industrial-energy.lbl.gov/node/118
[7] http://industrial-energy.lbl.gov/node/105