Right. So they need to raise prices to pay for the energy saving systems. A fan gun ain't cheap. Big ones can run up to $50,000.00. You also need snow cats to drag them around.
You really think a major ski resort can operate for more than 15 minutes on recycled cooking oil?
Just dug up some of the stories:
http://www.encyclopedia.com/doc/1G1-172006616.html
2,500 gallons, at a much smaller ski area then Mt Snow is. So I guess my answer is, 'Yes, I do think it could let them run for more then 15 minutes'. Can it replace? No. Can it offset? Yes.