Websites to explore various up-to-date weak signals on energy, in somewhat of a hierarchial order (provide by Larry Wenzl):

http://www.energy.gov/pricestrends/index.htm

http://www.eia.doe.gov/oiaf/aeo/index.html

http://www.rmi.org/sitepages/pid116.php

http://eetd.lbl.gov/EA/EMP/emp-pubsall.html

http://www.osti.gov/

http://www.energy.gov/energyefficiency/index.htm

http://energycommerce.house.gov/108/energy_pdfs_2.htm

http://www.aredi.org/default.aspx

http://www.eere.energy.gov/afdc/progs/state_summary.cgi?afdc/NE

http://www.dsireusa.org/library/includes/map2.cfm?CurrentPageID=1&State=NE&RE=1&EE=1

http://www.eia.doe.gov/emeu/steo/pub/contents.html

http://www.unl.edu/research/biofuels_8-06.shtml

http://www.energyideas.org/topics/default.cfm?o=h,b,bs,t,ts&c=h,b,2,t,15&s_qmr=50&s_qob=relevantdate%20desc

http://www.netl.doe.gov/ssl/

http://www.ethanolrfa.org/industry/locations/index.php

http://www.merid.org/fs-agbiotech/more.php?ts=20060712170213

http://hytechapps.com/