Fuel from bugs

There are two key problems with using fossil fuels. They produce CO2 on combustion and they are non renewable. This posting aims to deal with the latter - the non renewable problem. Fossil fuels will run out someday soon so we really need to think about developing sustainable fuels. Ethanol, produced by fermentation of sugar cane has been heralded as a possible answer to the problem. We are probably all familiar with biofuels and Brazil seems to successfully use gasohol. However, ...