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.
By biofuels on this page, I mean fuels for vehicles, such as biodiesel and bioethanol - although you can also use the term biofuel to cover any kind of fuel made from living materials or their waste. Biogas is another biofuel which can be used to power vehicles, and is covered on another page. How it works.