E85: ethanol or ETBE?

At a time when the media are promoting E85 fuel it seems that there is a confusion total and at all levels, ETBE and ethanol.

No European fuel standard allows the incorporation of 85% ethanol in the fuel (for reasons of water resistance and volatility in particular), its transformation, very energy intensive, into ETBE is therefore necessary or rather… mandatory .

According to this website of the Ministry of Industry, ETBE is a fuel comprising 47% by volume of ethanol, the rest is composed of petroleum products (isobutene).

Yet as translated this phrase from the same page: “Technically, ETBE is the best way to incorporate ethanol into fuel, thanks to its high octane number as well as its low volatility. ", ethanol therefore seems to be well assimilated to ETBE and vice versa ...

More: Bioethanol and ETBE on forums

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