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Old 03-19-2010, 12:07 AM   #6 (permalink)
RobertSmalls
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Location: Buffalo, NY, USA
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Prius C - '12 Toyota Prius C
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Quote:
Originally Posted by JohnNeiferd View Post
I'm on the highway a lot and plan on cycling the alternator on and off for 10 minutes each. During town driving, I'll probably only have it off when I'm accelerating and on when I'm cruising, slowing down, or idling.
You would see the biggest gains from grid charging, but the intelligent alternator control you describe is better than stock.

You could have the brake lights drive a relay that turns the alternator on, which is pretty much what I have in my Insight.

I'm curious: How much does your gph at idle rise when you increase the load on the engine?
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