I have blogged before about how bio-ethanol does not have to be made from crops, as there are alternatives such as wood-chippings.
This video on YouTube underlines that point, showing how a company in Japan is using so-called “woody biomas” to produce bio-ethanol.
[…] an interesting thought: if we turn the crops and wood chippings into electricity instead of bio-ethanol, and then drove electric cars, this could well have a […]