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Biogasoline
Biogasoline is gasoline produced from biomass such as algae. Like traditionally produced gasoline, it contains between 6 (hexane) and 12 (dodecane) carbon atoms per molecule and can be used in internal-combustion engines. Biogasoline is chemically different from biobutanol and bioethanol, as these are alcohols, not hydrocarbons.
Companies such as Diversified Energy Corporation are developing approaches to take triglyceride inputs and through a process of deoxygenation and reforming (cracking, isomerizing, aromatizing, and producing cyclic molecules) producing biogasoline. This biogasoline is intended to match the chemical, kinetic, and combustion characteristics of its petroleum counterpart, but with much higher octane levels. Others are pursuing similar approaches based on hydrotreating. And lastly still others are focused on the use of woody biomass for conversion to biogasoline using enzymatic processes.
==Structure and properties==
BG100, or 100% biogasoline, can immediately be used as a drop-in substitute for petroleum gasoline in any conventional gasoline engine, and can be distributed in the same fueling infrastructure, as the properties match traditional gasoline from petroleum.〔(New energy act to fuel flow of 'biogasoline' )〕 Dodecane requires a small percentage of octane booster to match gasoline. Ethanol fuel (E85) requires a special engine and has lower combustion energy and corresponding fuel economy.〔(BGT biogasoline )〕
But due to biogasoline's chemical similarities it can also be mixed with regular gasoline. You can have higher ratios of biogasoline to gasoline and not have to modify the vehicles engine unlike ethanol.〔(【引用サイトリンク】url=http://www.oilgae.com/ref/glos/biogasoline.html )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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