FAQ:
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Is there enough agricultural residue in Canada to support a commercial bioethanol industry?

There are substantial quantities of straw and other crop residues already produced in Canada. In the Western provinces of Manitoba, Saskatchewan, and Alberta alone, annual production of straw is about 40 million tonnes. If 1/3 of this material was used to make fuel, the nation could replace 10% of its gasoline usage.
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This quote was taken directly from Iogen Corporate website.

Now consider this: 93 percent of cars on the road have just one person riding in them. One- and two-seat commuter cars would have inherently lighter construction, and if you could reduce the mass of these vehicles by 50 percent you would instantly double their fuel economy. This is a straight & simple law of physics: kinetic energy varies directly with the mass of the object. Interestingly I don't think it would be difficult to reduce the mass of commuter vehicles by 4-fold, from the 3000 pound vehicles on the road today to just 750 pounds, resulting in a 4-fold increase in fuel economy. Theoretically one could reduce the mass of a single-seat vehicle to perhaps 100 kilograms and still retain adequate mobility for a single person, resulting in a 12-fold increase in fuel economy. So I ask you then, could Canada fuel its transportation industry with ethanol?

To wit:

... And ethanol fuel cells have double the energy efficiency of internal combustion engines, again doubling the potential fuel economy of cars. Can't wait till they're available. I'm more convinced than ever that I'm on the right track with bioethanol.