Haven said that, I would also say that any "bio fuel" should be used in a natural way first, like composting thru a garden for example, for more food. And then perhaps only excesses can be used to be converted to other fuels. I would think it would be earth-friendliest way. Again just an opinion.
Haven said that, I would also say that any "bio fuel" should be used in a natural way first, like composting thru a garden for example, for more food. And then perhaps only excesses can be used to be converted to other fuels. I would think it would be earth-friendliest way. Again just an opinion.