Well, there is the definition of modern argiculture, which goes something like:
"Modern agriculture is the process of converting hydrocarbons to carbohydrates."
In other words, the way we feed the large human population, is by leveraging a diminishing supply of fossil fuels to grow food. Replacing fossil fuels with food in that equation doesn't really work; we need to think of something else.
Not because making biofuel is impossible, but because one of the main uses for fuel would be to make food -- and making food and making biofuel is in direct competition for resources.
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Well, there is the definition of modern argiculture, which goes something like:
"Modern agriculture is the process of converting hydrocarbons to carbohydrates."
In other words, the way we feed the large human population, is by leveraging a diminishing supply of fossil fuels to grow food. Replacing fossil fuels with food in that equation doesn't really work; we need to think of something else.
Not because making biofuel is impossible, but because one of the main uses for fuel would be to make food -- and making food and making biofuel is in direct competition for resources.