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.
Types of biofuels. Biofuels are energy carriers that store the energy derived from biomass.* [For a review of terminology relating to biofuels, see FAO (2004a) UBET â Unified Bioenergy Terminology. Rome.] A wide range of biomass sources can be used to produce bioenergy in a variety of forms.