There are some complex things you can do to save data center energy, but there are also some relatively obvious steps you can take as oil approaches $120 per barrel.

ServerWatch has 8 Simple Ways to Slash Your Data Center Electricity Bill.

Don't believe it? Check out what Sonic.net did. Of course, it may only be in California that your local utility would pay you $100,000 to upgrade your cooling.

Also, allow me an OT aside: pretty unusual use of a bucket truck at Sonic.net!