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Old 02-09-2010, 12:19 PM   #20 (permalink)
Christ
Moderate your Moderation.
 
Join Date: Nov 2008
Location: Troy, Pa.
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Pasta - '96 Volkswagen Passat TDi
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Quote:
Originally Posted by tasdrouille View Post
That's 1.012. It's not cost effective.
LOL. I still do that once in awhile. That's probably why I'm not an engineer. Can you imagine missing a 0 in the tens place on a blueprint for... say... a building?

Anyway, if you add in another 3% for the fuel economy that you're no longer losing compared to the gasoline/ethanol blend, it brings it up to 1.04, which is close enough that it probably will at least break even in most cases.

Although, I may have that backwards... do you subtract another 3% from the cost because you're getting 3% better FE?
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