For example, corn ethanol yields less energy than is required to grow and produce it. (cfact.org)
There are higher ethanol yield crops that can be grown in areas unsuitable for corn. (religion.blogs.cnn.com)
The media speak of Algae oil, several recent articles in the media, or grasses that increase existing ethanol yields by up to 250 % (recently reported again in the UK media), of CCS trials in Australia, of CCS ready power stations (hillarious to be fair) and of wind and solar farms portrayed as if they will solve our carbon emissions issues. (realclimate.org)