Hi top people most knowledgeable , has any body used & had any success or heard from people of trust, if there is any relevant fuel saving or are they glossing it up to encourage one to part with ones brass thanks in advance.
Look brill some of those well done. I have tried a lot over the years and theirs probly 3 that stand out & two are still being sold one at a butchers & the other at a bakery in the same town. They are sweet so to me that says swede & carrot but am no baker, i work with animals.