I work for a small company, and while we are sensitive to fuel costs, we don't cancel trips due to price.

We have the option of using our Cirrus for trips with just 1/2 pax, and often utilize that if time isn't pressed and weather cooperates. Then again, we were doing that a couple years ago when fuel was under $3/gal.

Rising energy costs can certainly stunt the economic recovery, but aviation in general and bizav specifically *should* be able to weather a fuel spike better in an economy trending upward vs. one that was falling downward in late 08/early 09.