That will never happen. It's so much easier to charge a battery and go. No fuel, glow plugs and tuning to deal with. I like it for a change of pace every now and then.
This is what started it all for me - the HPI SavageX. I purchased it as an RTR back in 2007. I ran it for about 18 months and them put it away for 11 years (along with my other RC truck). I did a bunch of mods to it back then and when I got back into the hobby and took it out of storage I had to...