Bioethanol anybody?

[barking]

Just read the short article in the The Sunday Times – Driving on the Fullflex Manager, allowing the use of any combination of unleaded/bioethanol. Quick google shows only two Morrisons supermarkets doing bioethanol at present, but if it becomes more widely available what are the downsides other then cost of the ECU plug in and an hours labour, because the upside looks good, cheaper (only 2p a liter less admittedly), higher octane and cleaner so you can tell eco terrorists to get off your case.