Halfords Rubber solution makes for an excellent easy to find (in the UK) high performance fire accelerant. A little squirt of this rubber solution will burn for at least 1 minute and only requires a single spark from a firesteel. Bicycle inner tubes make an excellent tinder.
http://www.halfords.com/webapp/wcs/store...12046_langId_-1The Rubber solution is also useful in order to make bicycle inner tube puncture repairs if some patches are also available.