Steam Turbines

http://www.google.co.uk/search?hl=en&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=steam+turbines&spell=1

I'm not sure exactly what you're looking for but I found some interesting websites that tell about about new designs and upgrades for Steam Turbines, and how they [turbines] are saving businesses money annually.

I hope this is along the lines of what you were looking for and that you find them as interesting as I did.

http://www.energy-tech.com/index.cfm?pageid=108
http://www1.eere.energy.gov/industry/bestpractices/pdfs/texpetro.pdf