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Old 03-30-2012, 04:42 PM   #10 (permalink)
UFO
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Quote:
Originally Posted by drmiller100 View Post
actually, biodiesel is MUCH more expensive then ethanol to produce. Biodiesel is from oil - takes a LOT of plant oil to make biodiesel.

ethanol is starch/sugar. lots of starch/sugar in plants. that is the reason ethanol is so much cheaper to buy then biodiesel.
I don't believe that. Making biodiesel is a very simple process with cheap materials. Ethanol requires large amounts of water and energy to make.

I get slightly better mileage with biodiesel; I attribute that to higher cetane as the energy level of B100 is very close to ULSD.
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