Anyone in the NG have experience of small diesel gensets running on 100% vegetable oil. Be it anything from sunflower to coconut to recycled chip fat. Wondering where to acquire such a thing. Something up to 4KW. I understand that they generally have to be converted (or OEM) to run exclusively on VO or one ends up with twin tanks and starting/stopping purge routines. This isn't to use in the UK but could be bought here and shipped. Any info or pointers gratefully received.