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12-30-2008, 06:37 AM | #1 |
daily driver
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tried some pulse and glide last night
so i thought id try some pulse and glide stuff in the aveo last night on my way home from work.....there wasnt really anyone around at 5pm....go fig
i dont know about it though...its super annoying to keep speeding up and slowing down.....im not sure i could do it long term or for an extended period of time. i did it in the city going from 60kph down to 50kph then back up....takes a lot of concentration! just my thoughts though...
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12-30-2008, 08:19 AM | #2 |
Drives: 2008 Yaris Liftback (Sprocket) Join Date: Oct 2008
Location: San Antonio, Texas!
Posts: 2,799
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12-30-2008, 08:54 AM | #3 | |
daily driver
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Quote:
no results on economy change....just thought id give 'er a try because there was no traffic. basically i found it too annoying to use and if there WAS traffic is likely be pissing everyone behind me off as a speed up and slow down 10kph every so often...
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01-03-2009, 09:18 PM | #4 |
daily driver
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as a note on pulse and glide, i test drove an HHR today....has a built-in economy thingamajigger, and i could really see how the pulse and glide dropped the fuel useage when youre off the gas....vs the 8 or 9L/100km it was like 1L/100km off the gas
interesting stuff... so i can kinda see doing it on a highway trip, but not so much in town... would still be a lot of concentration on the highway though....and annoying to others in traffic (not that there is much highway traffic in the maritimes)
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01-04-2009, 01:08 AM | #5 | |
Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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Coming into a fuel economy forum and bashing hypermiling would be akin to me going into the cosmetic forum and going on about rice and stupidity, or going into the performance forum and going on about diminishing returns and stupidity, etc. I and those like me leave those forums alone and we expect the same courtesy here in the FE forum. I understand that P&G takes work, but going from 9 to 11L/km is a gain of over 20% FE! Over the course of a tank, or a month, or a year, that is huge savings, not only for your wallet but in emissions, too.
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- Brian Share the Road I often carry 2 carpool passengers and mountain bikes or snowboards/skis over a 4,500 foot elevation difference. Click the graphic above to see my detailed mileage logs. |
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01-04-2009, 03:57 AM | #6 | |
daily driver
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i was pretty amazed... fredericton is quite hilly though going from downtown to uptown....so that 1L/100km going downhill is outweighed by the 34L/100km going up, lol but i see how it can work for highway commuting...
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01-04-2009, 02:42 PM | #7 |
Drives: Yaris Sedan (auto) Join Date: Jun 2007
Location: Toronto, Ontario
Posts: 545
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Were you really pulse and gliding or were you just coasting? Pulse & Gliding involves turning the engine off, so you use 0 fuel while coasting, engine off. If you leave the engine on, but take your foot off the gas it's just coasting, but if you take your foot off the gas and put it in Neutral you're coasting N-ICE on.
At least that's my understanding of these techniques. I think all of these techniques are dangerous if you use them in the wrong situation, but what isn't dangerous if you're doing it under the wrong set of circumstances and not paying attention? You should never do anything you're not comfortable with, but if I had a MT I would be using P&G when ever possible. Also, most people who p&g seem to agree you need to go from about 60-45 mph to make it worthwhile. That's a much broader range than the 10 km/h you were able to do, but I can't think of many roads I drive where that kind of technique would be safe. |
01-04-2009, 03:51 PM | #8 |
daily driver
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ya, like i said there wasnt any traffic....and no, i didnt shut the engine off, im not comfortable with that....
it was interesting to see the mileage change on the HHR, thats all
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01-05-2009, 01:07 AM | #9 |
Drives: 2008 Yaris Liftback Join Date: Oct 2008
Location: South Jersey
Posts: 444
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For me most of those efforts didn't do enuff to make it worth the hassle. Now, I just keep my speed down on the freeway a bit and mind the led foot. All that other stuff was taking away from my driving pleasure and didn't amount to much. I still average about 38 mpg and that's just fine.
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01-05-2009, 03:20 AM | #10 |
Drives: '14 GT86, '08 Vitz Join Date: Dec 2006
Location: Central Valley, CA
Posts: 9,873
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Don't think I'm experience enough to do this. hehe.
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01-11-2009, 07:31 PM | #11 |
Only Happy When it Rains
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Just to add, it worked for me quite well when I cared to do it. And no, I never turned the engine off. I did tend to only vary about 10 mph or so, and i could average about 44 us mpg when i did it. But with gas prices the way they are now, I just don't care enough. And saying it saves the environment, well that just wants me to never do it again, eewww.
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