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by ig1 5539 days ago
It has, biofuel companies are even hotter than startups which huge amounts of money getting pumped into them. As the price of biofuels drop and the price of oil rises it's inevitable they'll cross-over and people will start buying biofuels because they're cheaper.
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How are biofuels viable as a replacement for oil in the quantities our current lifestyle demands? They can't be produced in the same quantities that oil can be, and producing them requires farmland, so food prices go up.

stats and graphs: http://earlywarn.blogspot.com/2011/02/us-ethanol-production....

Simple Answer: We can't produce oil (we discover it), we can produce crops. We're pretty good at it.

Complex answer: If demand for crops goes up then farmers can grow more crops. Although it's hard to see if that's happening right now as corn ethanol subsidies and corn import taxes completely distort that market. If you want to produce corn ethanol you buy domestic corn as you can get US gov subsidies for it, you don't get those subsidies if you use imported corn, so naturally US produced corn ends up disproportionately in fuel production. Also it's worth noting that DDG is a byproduct of corn ethanol production, and DDG is used as animal feed. So it's misleading to think that corn used for fuel production is pulling it completely out of the food chain.

By hoping that algae based biodiesels and cellulosic ethanol production get figured out.

Airliners and aircraft manufacturers are throwing more hope behind biodiseals now, since once you can get algae producing that, it's just one step away from them making jet fuel. And there -really- isn't a replacement for jet fuel. Ethanol just doesn't cut it.