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If it's using waste then sure, that's putting it to a sensible use.
Also there are niche applications where ethanol, regardless of how it's produced, does have huge value as fuel in an engine due to its oxygen content. If the engine unavoidably needs to be used in a confined space well then ethanol has value definitely if it's all mixed and used properly.
Turning corn or wheat into fuel with which to run ordinary road vehicles under normal conditions of use is however an extremely dubious idea. The benefit in terms of fuel use is relatively minor at best and then there's the fertilizer use, water use, land degradation and so on. We're literally turning food into fuel which is rather bizarre considering that a farm turns fuel into food.
Then there's the non-engine uses. I realised after the previous post but many perhaps aren't aware that corn or wheat-fired heaters are a thing. Like this:
That's corn burning there yes. There are similar design heaters that burn wheat or other crops too.
Burning pellets made from waste sawdust from saw milling sure, that makes sense, but burning food?
yes , such ideas imply a surplus of food ( but maybe they are poor quality crops , you know the rejected stuff ) while consensus says food is getting scarcer
strange times it seems
