The article linked below mentions that it is much less expensive to make ethanol from sugar as opposed to corn. This is expected to result in much higher sugar prices and growing demand for sugar alternatives such as stevia. Stevia could be grown in many more places than sugar cane. It can be grown as an annual in cold winter climates, and thrives with varied soil conditions. It could be an ideal crop for replacing opium Poppy production in some countries. It would also grow well where Tobacco is now grown.
Olam CEO: Sugar Prices To Rise Over Next Yr On Biofuel Demand