Based on natureEdit. An account may be classified as real, personal or as a nominal account. Example: A sales account is opened for recording the sales of goods or services and at the end of the financial period the total sales are transferred to the revenue statement account (Profit and Loss Account or Income and Expenditure Account).
A biofuel is a gas, liquid, or solid from natural sources such as plants that is used as a fuel. Biofuels can be mixed with conventional fuels. COBUILD Advanced English Dictionary.
Biogas. Biogas is a biofuel produced from the anaerobic fermentation of carbohydrates in plant material or waste (eg food peelings or manure) by [bacterium: A type of single-celled microorganism.] bacteria.iogas can be produced on a small scale in a biogas generator/digester, which can be made of simple materials. The carbohydrate-containing materials are fed in, and a range of bacteria anaerobically ferment the carbohydrate into biogas.