OK, I too have always wonder about this just for the "smell" issue! I got these links from VKSY (Thanks) and reading thru these posts have made me decide to make the switch! I bet you guys read thry these you will switch, that is if the smell is an issue for you. It definatly is for me, I have all my gas jobs in the celler, sometimes you can smell it, sometimes you cant. But in the car is the big "Stink", transporting them smells bad. According to the info I have read, and this info comes from guys who run the white gas in there heli's, and those are BIG $ to risk them crashing because of the fuel. Check it out... I for one amd making the switch!
http://www.runryder.com/helicopter/t33428p1
http://www.runryder.com/helicopter/t109201p1
http://www.runryder.com/helicopter/t126062p1
http://www.runryder.com/helicopter/t119080p1