I agree with the suggestion to wait 'till spring. Your pile will be so dry, it will be a pleasure to burn. Burning green wood can be tedious. My first brush fire was green wood, even had snow in the pile. After an hour or so with no fire, I got impatient and poured some gas on the pile. I then lit the brush with a gas soaked rag on the end of a 10' stick....WHOOSH! All I saw was flames. After pulling myself out of the snow, I realized that I was lucky to be uninjured, and the darn pile still wasn't on fire!! Gas is way too volatile, and will flame out before it has a chance to light green wood. Now, I try to wait until the brush has dried some, and I have never used gas since. I have used diesel in the pump up sprayer with good results. It burns much slower giving the wood a chance to catch, and doesn't flash like gas. I still prefer a dry brush pile though; it burns quickly and completely without the need for accelerant. As previously stated, burning dry material (scrap lumber) AND the Duraflame should work, diesel will help.