alternative to coal in 20kg bags a clean , greener option, pricewise 50kg (1cwt) of hotmax is like for like on a good quality smokeless coal, although we must point out hotmax is not smokeless.If you are lucky enough to live in an unrestricted zone or you have a defra exempt woodburner then this fuel is for you.Hotmax fuel logs are made from clean waste from Bedmax horse shavings here in the UK and with their size similar in mass to coal they are great for the small woodburner or multifuel stove like the Pipsqueak that we sell at Fitch recycling solutions at www.fitchrecycling.co.uk