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03-06-2009, 06:43 PM | #19 | |
Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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Quote:
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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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03-06-2009, 06:53 PM | #20 |
Drives: Black Vitz Liftback Join Date: Dec 2008
Location: Salt Lake City
Posts: 238
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Click and Clack on NPR's CarTalk have had this question asked of them. Technically the answer is yes, but, in all reality it's not enough to even give a thought too. Your comfort and clarity of defogged windows is more important. Now I often don't run the fan in the interest of making the blower motor last a long, long, time. Since I never seem to get rid of my cars this has so far worked on a very old Jeep and Miata. How you drive the car is by far the best way to get good gas mileage.
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03-06-2009, 07:25 PM | #21 | |
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The Dodge Calibre does it too, that's one I know of for sure.
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- The Black Ship Yaris - |
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03-07-2009, 05:54 AM | #22 |
The Hated One
Drives: 07 White Manual Sedan Join Date: Sep 2006
Location: Oregon,USA
Posts: 390
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i almost always run with my heater set to floor/defrost because on the sedan i have, it wont kick the A/C compressor on. if you don't belive the compressor doesnt kick on, just listen to your engine, or if you have a tach, watch your RPM's, then turn the defrost on.
it kicks the a/c on, dropping your milage. now, in the summer, I have tried it, I get about 2+mpg better running one window on my 4 door sedan down, than running with AC on. I am guessing that isnt as significant of drag increase as all windows down, because most studies show that all windows down is just as painful on economy as windows up and AC. but, by the theory of "the electricity consumption of the heater should on paper lower milage", then i shouldnt be able to pull the milage i do with over 1500 watts of stereo gear running,lol. EDIT: and as far as vehicles having the annoying booming sound with all or most windows down, and the AC kicking on when defrost is on, go drive more cars. been working on cars for a living for about 10 years now, and, most of them have these issues. alot of cars out there dont even have a windshield defrost that doesnt turn the AC on...its all or nothing,lol.
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03-07-2009, 08:45 AM | #23 |
Drives: 2013 Chevy Spark 1LT 5-speed Join Date: Oct 2008
Location: Oklahoma
Posts: 1,185
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Using the headlights and wipers are going to take a hit on the MPG?!
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03-09-2009, 04:46 PM | #24 |
Drives: 2008 Yaris 3-door Meteorite Join Date: Oct 2008
Location: Southeast
Posts: 398
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"...as far as vehicles having the annoying booming sound with all or most windows down...been working on cars for a living for about 10 years now, and, most of them have these issues..."
I could name ONE car* that didn't have that issue, but I think everyone's sick of hearing about it... *2000 Suzuki Swift hatchback |
03-09-2009, 07:02 PM | #25 | |
Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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Quote:
Is it a huge hit? No. But it is a hit.
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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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03-10-2009, 08:49 AM | #26 | |
Drives: 2013 Chevy Spark 1LT 5-speed Join Date: Oct 2008
Location: Oklahoma
Posts: 1,185
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Quote:
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03-10-2009, 08:55 AM | #27 |
Drives: 2008 Yaris 3-door Meteorite Join Date: Oct 2008
Location: Southeast
Posts: 398
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"Besides, I never use the wipers...I just "plan ahead" and avoid those rain clouds."
You're being facetious... Right? |
03-10-2009, 09:08 AM | #28 |
Drives: 2013 Chevy Spark 1LT 5-speed Join Date: Oct 2008
Location: Oklahoma
Posts: 1,185
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It's a bailout joke around here, based on his theory about dodging. If he can avoid accidents by dodging deer that spring onto the road by planning ahead for it, I can dodge the raindrops.
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03-10-2009, 09:14 AM | #29 |
Drives: 2008 Yaris 3-door Meteorite Join Date: Oct 2008
Location: Southeast
Posts: 398
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I actually use my wipers very sparingly; don't ask me why! I guess I think I'm saving wiper blade material or something. When it's not raining too hard, I just use my intermittant, and I actually turn them OFF at stoplights. Watch me wear out the switch.
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03-10-2009, 10:05 AM | #30 |
Drives: 2013 Chevy Spark 1LT 5-speed Join Date: Oct 2008
Location: Oklahoma
Posts: 1,185
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I use lots of rain-x on this Yaris. Never had a car before that had a fixed intermittant wiper. If it's a light rain the rain-x saves me a lot on turning the switch on and off.
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03-10-2009, 10:26 AM | #31 |
Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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I guess we have a 1stToyota joke now, too. Something about free energy and perpetual motion serpentine belts on the Yaris.
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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. |
03-10-2009, 12:03 PM | #32 | |
Drives: 2013 Chevy Spark 1LT 5-speed Join Date: Oct 2008
Location: Oklahoma
Posts: 1,185
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Quote:
Guess the sale of underdrive pulleys will be down now and Toyota will go back to belt driven power steering pumps and cooling fans... and they'll switch back to 6v systems so they'll take a lot less hits on the MPG And energy isn't free...takes a voltage generator (alternator) and a reference source (battery), and of course a regulator/PCM to adjust for electrical loads. Thinking that using the radio will cause worse fuel economy is drastic and silly. And the reason the A/C uses more fuel is because it takes more force to operate the compressor with the a/c clutch engaged, vs a free-wheeling bearing, has nothing to do with current load on the alternator.
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1997 Lincoln Town Car - SOLD 2008 Scion xD (w/ automatic) - SOLD 2008 Yaris HB - SOLD Last edited by 1stToyota; 03-10-2009 at 12:24 PM. |
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03-10-2009, 10:17 PM | #33 |
Drives: 2007 LB Join Date: Jan 2009
Location: Nappanee, IN
Posts: 60
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If you want to make 1000% sure the compressor won't come on in the winter with the defrost running, pull the compressor fuse or pull the plug off the compressor. When it get's hot out, reinstall the fuse. If you're really hard core and want to make sure the neighbor doesn't borrow your car and run the a/c, snip the electrical wires to the compressor. With that said, come on folks the car get's great mileage even with using some comforts. Live a little. Oh and the booming window thing. I've found it's much better if both windows are open as opposed to just one. But I suppose that kills the aerodynamics so I guess I can't win. I will find my rock and go back under it now.
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03-11-2009, 05:59 AM | #34 |
Drives: yaris Join Date: Dec 2008
Location: or
Posts: 14
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I suppose a Yaris forum, if anywhere, would be the place where you'd expect to find people who can't get it through their heads that saving energy doesn't matter if you're not saving enough to notice.
Getting a tenth of a percent better gas mileage (like driving without DRLs during the day, or the fan on full blast, or using windshield wipers in the rain) just doesn't matter. It will not affect your wallet. It will not affect CO2 emissions. Does it really count as saving energy if there's no possible way you can ever notice it? Nope, not in the real world. If everybody saved a tenth of a percent of gas mileage, would it reduce our dependence on foreign oil? Nope. This is often called "good engineering judgment" or alternatively "common sense." |
03-11-2009, 07:04 AM | #35 | |
Drives: Yaris Sedan (auto) Join Date: Jun 2007
Location: Toronto, Ontario
Posts: 545
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03-11-2009, 01:16 PM | #36 | |
Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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Quote:
Some people may not care but hypermilers strive to stretch every gallon of gasoline for all it is worth. 0.1% is a totally arbitrary number and may not sound like much but when you add it up over the course of your lifetime it becomes an easily trackable amount. For example, if you average 32 MPG then you use 0.03125 gallons per mile. If you drive 15,000 miles per year it requires 469 gallons of fuel. If you maintain this pattern from age 16 to age 75 it requires 27,656 gallons of fuel. 0.1% of that is 28 gallons, or 3 fill ups.
__________________
- 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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