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Old 03-04-2017, 11:50 AM   #91 (permalink)
Natalya's Avatar
Join Date: Apr 2016
Location: Atlanta
Posts: 355

Hyper Black - '10 Honda Insight LX
90 day: 46.72 mpg (US)

Unit-02 Red Insight - '00 Honda Insight 5MT
90 day: 68.53 mpg (US)
Thanks: 133
Thanked 162 Times in 98 Posts
But a true hypermiler would never use A/C!!

I guess you're in Florida, so that beats Georgia, but last summer here in Atlanta I had no A/C and well I just wore like shorts and a tank top every day. When I was on the highway I'd have the windows up. Sure was hot, but I got great MPG!! Windows always came down at low speed//coming to a stop lol.

But, going back to the IMA again, my record was without using the battery. I had the clutch switch on the whole time. When coming to a stop I'd disable it to get regen but I kept the battery at the top two bars almost the whole time. This means no background charging, which would normally be an MPG killer. But I still had use of auto-stop via my auto-stop switch. In any case, my thought was if I had to use the brakes then I must have done something wrong from a hypermiling perspective. But the IMA likewise sucks up momentum, so if you're charging the IMA you are probably doing something wrong, once again from a hypermiling perspective. Conservation of momentum is fuel economy. I don't think anything else matters more than that, and something like the IMA that gets in the way of that is not helping.

But.... having the IMA barely functional, as I did, where I was regening when in situations where I was forced to brake, is probably a good plan because then the IMA is still maintaining the 12V battery. So I guess if I regen down a hill or coming into a stop, then that means I got regen energy going into the 12V instead of burning fuel directly for that purpose. But you could of course say that every time I was in regen that means I screwed up somewhere earlier by allowing myself to enter a situation where I needed to slow down with regen. This is all probably starting to sound really convoluted, please forgive me. Clearly a better solution would be use solar power or grid power to top off the 12-v before driving and then avoid using any peripherals, but then we're going yet another level deeper into hypermiling.


Silver 2001 Insight (Sold)
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Old 03-04-2017, 12:21 PM   #92 (permalink)
Plugging In FTW
cowmeat's Avatar
Join Date: Jan 2014
Location: Lakeland Florida
Posts: 1,383

Ron Burgundy (retired) - '01 Honda Insight base
Gen-1 Insights
90 day: 71.2 mpg (US)

High Voltage - '12 Chevrolet Volt Premier
Team Volt
90 day: 161.82 mpg (US)
Thanks: 98
Thanked 514 Times in 319 Posts
Hey, I never said I wasn't a lazy hypermiler

The Insight was the first car I owned in decades that had air, heck yes I was gonna use it! I use the Eco AC setting most days on the Volt, too

Conservation of momentum is fuel economy. I don't think anything else matters more than that
Yup, there's a lot more to hypermiling than just driving slow (although that's a biggie).

In the Volt I spend my entire commute in EV mode, so I P&G at every chance, but I balance it out with a minimal loss of momentum. At this point I know every inch of my usual route, where to gain and lose momentum to my advantage, and where it makes more sense to slow quickly for regen versus coasting

If I only had a dollar for every time I've saved gas . . . wait, I do!
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Old 03-04-2017, 03:17 PM   #93 (permalink)
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Ecky's Avatar
Join Date: Dec 2011
Location: Vermont
Posts: 1,967

Gaptooth - '00 Honda Insight
Team Honda
Gen-1 Insights
90 day: 69.77 mpg (US)

Work Van - '16 Chevy Express 2500
90 day: 17.37 mpg (US)
Thanks: 620
Thanked 707 Times in 457 Posts
I'd really love to do a Volt or Accord Plug In swap into my Insight. I like the Accord's more efficient gasoline engine, but the Volt's systems will probably be more easily acquired and there's greatly increased electric range.

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