Fuel Economy & Emissions Talk about the mileage database, EPA, hypermiling, gas and driving strategy.
View Poll Results: How much do you think about FE or use FE techniques while driving?
All the time or almost all the time – I always drive with mpg on my mind
34
50.75%
Pretty frequently but not every minute
26
38.81%
Occasionally, or when there’s a good opportunity to use a technique
5
7.46%
Infrequently or never – I just drive it like a normal car
0
0%
Infrequently or never – my hypermiling habits are ingrained & don't think much about it.
2
2.99%
Voters: 67. You may not vote on this poll

Poll: For High MPG'ers only

  #1  
Old 03-16-2006, 12:53 PM
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Location: Los Angeles
Posts: 95
Default Poll: For High MPG'ers only

Please only post in this poll if your car is in the database and you are currently beating the median mpg.
Answers are anonymous.
 

Last edited by tarabell; 03-16-2006 at 01:13 PM. Reason: to get a bigger sample
  #2  
Old 03-16-2006, 12:58 PM
Pravus Prime's Avatar
Prof. of Hybridology
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Location: Michigan
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Default Re: Poll: For Hypermilers only

It's not really a poll, now is it? More of a Roll Call.

Anyway. Aye.
 
  #3  
Old 03-16-2006, 10:57 PM
bwilson4web's Avatar
Engineering first
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Location: Huntsville, AL
Posts: 5,613
Default Re: Poll: For High MPG'ers only

What happens is I'm thinking about how to make hyper-mileage driving automatic:

1) Pulse-and-glide - a modified cruise control that handles 'feathering.'
2) Cold 'auto-stop' - a modified hybrid vehicle control law that turns off the ICE when stopped even during the warm-up phase.
3) Improved situational status - rear and side sensors to make it easier to maintain fuel efficient speeds by avoiding, rear-rushing traffic.

Bob Wilson
 
  #4  
Old 03-17-2006, 07:08 AM
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Default Re: Poll: For High MPG'ers only

Originally Posted by bwilson4web
What happens is I'm thinking about how to make hyper-mileage driving automatic: 1) Pulse-and-glide - a modified cruise control that handles 'feathering.'
Bob--would you mind explaining the term "feathering"? It's not in the glossary. Thanks.
 
  #5  
Old 03-17-2006, 09:37 AM
finman's Avatar
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Join Date: Oct 2004
Location: Rapid City, SD
Posts: 262
Default Re: Poll: For High MPG'ers only

Feathering: For the Prius anyway it means adjusting the accelerator pedal ever so slightly as to get a 'free-glide' of the car. No regen (to slow u down), no EV from battery to wheels, and no engine on...no mechancal propulsion, just kinetic energy (momentum) and gravity. Think soap-box derby coasting! Not sure if the Honda IMA is capable of this sort of coasting...
 

Last edited by finman; 03-17-2006 at 02:19 PM.
  #6  
Old 03-17-2006, 07:10 PM
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Location: Boulder, CO
Posts: 65
Default Re: Poll: For High MPG'ers only

My thoughts are similar to Pravus Prime in that the question is more of a confirmation.
 
  #7  
Old 03-17-2006, 08:20 PM
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Default Re: Poll: For High MPG'ers only

I would expect the hypermilers to think the response is obvious.
I'm not sure it's as obvious to all the new hybrid owners or those who are just starting to think about improving their FE.
 
  #8  
Old 03-17-2006, 08:44 PM
Pravus Prime's Avatar
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Default Re: Poll: For High MPG'ers only

I still haven't answered, because it's changed.

When I first got my FEH, it was all the time, a constant thought about optimization and experimentation to get the best possible MPGs.

At this point, I still think about it, but it's more of a reflexive instinct when I'm driving.
 
  #9  
Old 03-18-2006, 06:53 AM
Happy Hybrid Owner
Join Date: May 2005
Location: Ithaca, NY
Posts: 255
Default Re: Poll: For High MPG'ers only

How does "almost all the time" differ from "frequently, but not every minute"? Of course there are times when traffic, road conditions, etc. must get a few cycles... not to mention a sip of coffee, or adjustment of the radio... where is the cutoff between answers #1 and 2? I think personal interpretation will affect which of these one chooses.
 
  #10  
Old 03-18-2006, 06:59 AM
IMAhybrid's Avatar
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Join Date: Aug 2005
Location: WPB, FL
Posts: 858
Default Re: Poll: For High MPG'ers only

I answered Pretty frequently but not every minute but I feel like I could have also answered Infrequently or never – my hypermiling habits are ingrained & don't think much about it. When I'm on the highway I just set my cruise so I don't have to do anything, and that's where I do the majority of my driving. In the city I look at my FCD often but I don't find myself having to make corrections all the time.
 

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