Traces the history and evolution of the world's most important fossil fuel. Without gasoline, modern life would grind to a halt. Americans use about 360-million gallons of gas every day. And though most of us could not function without gas, very few understand what it really is, how it is made, what all those different octane numbers really mean, and how researchers developed cleaner-burning gasoline. All these questions will be answered as we look at the history of this "supreme" fuel.
Gasoline is a transparent, petroleum-derived liquid that is used primarily as a fuel in internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives. Some gasolines also contain ethanol as an alternative fuel. In North America, the term gasoline is often shortened in colloquial usage to gas, while petrol is the common name in the UK, Republic of Ireland and in some Commonwealth countries. Under normal ambient conditions, its material state is liquid, unlike liquefied petroleum gas or natural gas.
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