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Politics : The Environmentalist Thread

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To: Ish who wrote (10277)3/9/2007 6:08:24 PM
From: miraje  Read Replies (2) of 36917
 
Hi Ish,

I have two problems with ethanol.

First, the mandates and subsidies. Right now there would be hardly any produced without these props. Get the damn government out of it and let it sink or swim on its own. Let the market decide. If gasoline gets too expensive and hard to obtain and ethanol makes economic sense under those conditions, then so be it.

Second, most people don't realize that E85 has less energy per unit of volume than gasoline and that a flex fuel vehicle will take about a 25% fuel mileage haircut when you use the stuff. There are several stations around here that sell it, but it's priced the same as regular unleaded, even with the subsidies. It needs to be priced around 25% cheaper than gas, to make up for the mileage hit, to begin to make sense using it.

Flex fuel vehicles are a joke, in any case. The auto companies get to use them as an exemption from the stupid CAFE standards (more government meddling), but they can't utilize the one advantage that ethanol does provide, very high octane. A high compression engine (12 or 13 to 1 or higher) designed to run exclusively on E85 would be very efficient, but would be unable to run on regular gasoline without detonating to pieces..
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