Rivrdog has a new and timely post up at his preparedness blog, Paratus, on how to store fuel, including gasoline and diesel.
You should really go read it, and think about putting a little into storage for emergencies.
Speaking of fuel, don't forget about yourselves, either. You need food, too, and here's a post on that.
As the saying goes, it's WAY better to HAVE it, and not NEED it, rather than the other way around!