This should double the durability of coal, saplings and such. Even doubles Lava. Also, I don't really like mods that make everything far too easy, just the little changes

This is my first mod. I have just started to know about the Java code, so please report bugs or any other problem you see. Also, make suggestions of what items I should make burnable in the furnace

Place in your Minecraft.Jar
%appdata%

I am going to work on a big multi-mod, but it will take some time for now