Margin requirement (options) Definition: The amount of cash an uncovered option writer is required to deposit and maintain to cover his daily position valuation and reasonably foreseeable intraday price changes. Nearby Terms Margin of profit Margin of safety Margin requirement (options) Margin security Margin stock
A flexible-fuel vehicle (FFV) or dual-fuel vehicle (colloquially called a flex-fuel vehicle) is an alternative fuel vehicle with an internal combustion engine designed to run on more than one fuel, usually gasoline blended with either ethanol or methanol fuel, and both fuels are stored in the same common tank.
Avgas (av iation gas oline), also known as aviation spirit in the UK, is an aviation fuel used in spark-ignited internal-combustion engines to propel aircraft.Avgas is distinguished from mogas (motor gasoline), which is the everyday gasoline used in motor vehicles and some light aircraft.vgas (av iation gas oline), also known as aviation spirit in the UK, is an aviation fuel used in spark-ignited internal-combustion engines to propel aircraft.