So I went with the Bridgestone's B381 185/70/14 and my MPG does not really seem to be affected. I am sure there may be some other tires out there that will do the job, but I know for sure these tires work. I got them for $75 from tirerack.com. As far as I can see there are worth it.

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2004 Honda Civic Hybrid MT
I can't remember the last time I filled up