I have some wood that has been in my yard for a number of years so probably out of energy or am I wrong? Can I use it and if so is there any problem if it is too old? Rotted wood is the same as burned wood is what I have read but this is not rotted just really old and light in weight so will it be good for kindling or ??? I am sorry for dumb questions but I am really wanting to be knowledgeable and do the right thing. I am new to all of this( who knew) but do not want to make big mistakes. IF punky wood is good enough then I have some that I was going to dump and will use it.