I'm just going to touch the basics of this for today's post.
Ethanol, biodiesel, and butanol at first sound like great ways to cut our dependence on foriegn oil. In reality, it's not as good as it sounds. The increase in prices for crops that are used for producing these fuels has increased dramatically. In turn this has also increased the price of food crops due to less being grown. Farmers find it to be more profitable to producs "fuel" crops instead. This is great news for farmers, but not very good for everyone else.
We still need to push for hydrogen based transport. Everything else is just steps in the road that will eventually lead us to nowhere.
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