Pure plant derivative made from only the purest ethyl alcohol and is of the highest quality fuels available on the market today. This is the recommended fuel for all Ethanol fireplaces and is a non-toxic, smokeless, odourless and environmentally friendly fuel. One Quart of fuel burns for approximately 2 and 5 hours dependent on room conditions, model of fireplace and size of flame. Burns perfectly clean giving off CO2 and steam in similar proportions as that exhaled by humans. It is tested rigorously and consistently to ensure that air quality complies with the strict international government regulations.