There are 3 fuel tanks, but you can't use the engines, so I don't think it uses fuel.

You could try this: Use the map (ALT + W + M) and the drag the shuttle to where you want it (start point), set the start altitude, set the direction you want it facing AND then give it some speed (250-300 Knots) so it doesn't start dropping from the sky like a rock.

Or this: Use SLEW to set up a start position. BUT...Unless you have speed, it will drop like a rock and you will be fighting for control until it gains enough speed.

But it's better to do this: Start from one of the save flights: Entry, TAEM and Approach.

The first two are fun, but usually end in a crash landing! Occasionally, they end in a nice landing in the middle of nowhere.

Hope this helps.

Mark