A lot needs to be done to ensure sustainable supply

Among all the biofuels, ethanol is already being produced globally on a fairly large scale. Global alcohol production during 2005 was around 41 million kilolitres, of which around 70% was used as fuel. The bulk of the production and consumption was in Brazil and the US, with Brazil alone accounting for around 15 million kilolitres. Countries such as China, Canada, Paraguay, Bolivia and Thailand have ongoing ethanol programmes.

Full Text