07-28-2008, 01:47 PM
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#1 (permalink)
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Dartmouth 2010
Join Date: Nov 2007
Location: Hanover, NH
Posts: 3,769
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The power of speed!
I usually don't harp on speed too much, but I was really struck by how much speed affects FE today.
So, out in Missouruh I have an 11 mile trip into town, then an 11 mile one back out of town. Usually I'll score mid 60s-70 mpg on the way in (it's kind of uphill), then mid70s-83 mpg on the way home.
The trip is like this: .5 mile of gravel at 20 mph, 1 mile of blacktop (rolling hills), left turn, 5 more miles of rolling hills at 40 mph. Then on the "highway" for 50-55 on a relatively flat surface for a bit. Then into town for 30 mph for another mile (with 4-5 lights that I usually hit 2-3 of).
Today was interesting because I got stuck behind someone going 35 on the highway (speed limit 60) today. I would've passed him because that's pretty damn dangerous, but the truck behind me stayed with us and traffic just stayed back without passing.
Anyway, I rolled up to the library with 79.2 mpg on the guino today. Much better than my best, even though it's a bit chilly out today.
Pretty interesting comparison.
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------------------------------EcoModder Gear------------------------------
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07-28-2008, 02:23 PM
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#2 (permalink)
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EcoModding Lurker
Join Date: Jun 2008
Location: LA
Posts: 31
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yep, gotta find that balance between a safe/effective speed and good mileage. wow, that is a big difference though! maybe you should thank the guy 
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07-28-2008, 04:41 PM
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#3 (permalink)
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EcoModding Lurker
Join Date: Jun 2008
Location: Stoughton, WI
Posts: 47
Polymer - '89 Civic Hatch Std 4 speed 90 day: 51.49 mpg (US)
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'Could have also been partly due to the draft. Even following another vehicle 5 car lengths back contributes something to draft.
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07-28-2008, 04:48 PM
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#4 (permalink)
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Captain Slow
Join Date: Nov 2007
Location: Lunenburg, Nova Scotia, Canada
Posts: 6,017
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Lazy lean burn slacker! I have to work pretty hard for 79 mpg.
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07-28-2008, 04:48 PM
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#5 (permalink)
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Pokémoderator
Join Date: Dec 2007
Location: Southern California
Posts: 1,682
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SVOboy -
Quote:
Originally Posted by SVOboy
...
Today was interesting because I got stuck behind someone going 35 on the highway (speed limit 60) today. I would've passed him because that's pretty damn dangerous, but the truck behind me stayed with us and traffic just stayed back without passing.
Anyway, I rolled up to the library with 79.2 mpg on the guino today. Much better than my best, even though it's a bit chilly out today.
Pretty interesting comparison.
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My best MPG runs in my trip logs usually include the good fortune of following a slow-poke during the "MPG drainer" portions of my route.
 convoys rock (slowly)!!!
CarloSW2 |
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08-01-2008, 05:53 PM
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#6 (permalink)
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Master EcoModder
Join Date: Jan 2008
Location: Sanger,Texas,U.S.A.
Posts: 803
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I'm selling all my stock in "big oil".
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08-01-2008, 08:01 PM
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#7 (permalink)
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EcoModding Apprentice
Join Date: Jul 2008
Location: Potsdam, NY
Posts: 121
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y'know, they just posted record earnings.
1.2bil in profits at exxonmobil this QUARTER
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08-01-2008, 08:57 PM
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#8 (permalink)
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EcoModding Apprentice
Join Date: Mar 2008
Location: Swanton, OH (Toledo)
Posts: 195
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I thought it was 11.2?
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08-01-2008, 10:14 PM
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#9 (permalink)
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EcoModding Lurker
Join Date: Apr 2008
Location: Anaheim, CA
Posts: 74
LR3 - '06 LR3 HSE 90 day: 21.27 mpg (US)
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Quote:
Originally Posted by bhazard
I thought it was 11.2?
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$11.7 Billion in profit on $138 Billion in revenue. Investors were disappointed.
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08-02-2008, 12:33 PM
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#10 (permalink)
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EcoModding Lurker
Join Date: May 2008
Location: Ft. Lauderdale, FL
Posts: 23
Diva - '07 tc semi-custom 90 day: 27.03 mpg (US)
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Quote:
Originally Posted by PA32R
$11.7 Billion in profit on $138 Billion in revenue. Investors were disappointed.
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I would be too... thats not even a 10% profit margin.
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I take offense to the saying 'it isnt rocket science' to describe the relative difficulty of a given endeavour. Rocket Science is NOT hard... just EXPENSIVE 
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08-03-2008, 01:02 PM
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#11 (permalink)
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Hypermiler
Join Date: Dec 2007
Location: Eastern CT, USA
Posts: 185
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Quote:
Originally Posted by MetroMPG
Lazy lean burn slacker! I have to work pretty hard for 79 mpg.
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Shucks. I have to bust my bum to get 29. But then EPA for my beast is 19.
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Currently getting low 40's mpg in Fall weather. No mods so far. Current EPA is 31/39 so low 40's is not too shabby.
Now driving '97 Civic HX with new tires at about 44 psi. '89 Volvo 240 is semi-retired. I did love that car though!
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