Biomass is a Renewable energy source it is also short for biological material. Biomass creates heat and energy. The energy it contains is from the sun. Biomass is created by burning things like some crops, types of rubbish, manure, scrap and lumber forest in a boiler. The most common types of Biomass boilers are hot water boilers and steam boilers. Co-firing biomass with coal is a very effective way of using biomass for energy. Biomass is the only renewable energy source that can be converted into liquid. The countries that use Biomass the most are Sweden, Austria, and the United states of America.