I was going to answer by saying if he stayed true to form he voted against it, but I see TE said he refrained from voting. He is probably out there traversing the country, wasting more and more fuel, pandering to various special interests as I type.
McCain on Energy & Oil... contains some very enlightening reading.
Oddly, this hasn't hit the financial news yet, though Exxon is/may be asking AK for $800 million for lost leases, but I think that has to do with their new governor trying to show she has balls.
McCain picked a really bad time for a non vote - guaranteed to result in many thousands of same towards him.