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Old 05-22-2007, 07:00 PM   #1
HungLikeJesus
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Quote:
Originally Posted by Cloud View Post
Here's an article debunking gas myths, like the one that says running your air conditioner will use up fuel:

http://biz.yahoo.com/cnnm/070515/050...pf=family-home

Notice it says that the best way to save gas is to drive sensibly at the speed limit and avoid quick stops and starts.

Like THAT'S going to happen!
I thought the best way to save gas (besides riding your bike) is to get one of these.

My number one fuel-saving rule is "Brakes waste gas."
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Old 05-23-2007, 09:38 AM   #2
Shawnee123
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Quote:
Originally Posted by HLJ View Post
I thought the best way to save gas (besides riding your bike) is to get one of these.
Cool, do you need my shipping address so you can have your dealership deliver it to me? Thanks, man!
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Old 05-23-2007, 09:58 AM   #3
HungLikeJesus
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Quote:
Originally Posted by glatt View Post
Running an air conditioner will use up fuel. Maybe not a lot, but don't misread the article. It's simple physics. If you ask the engine to do more work, it will take more fuel to do that work.

If I'm sitting at a red light in neutral, and I turn on the air conditioner, I can hear the engine increase its idle speed as the AC compressor turns on. The article talks about a test done at highway speed comparing having the windows open to having the A/C on. They did not compare all the other various driving situations. The amount may be negligible, but it absolutely uses more gas to run the A/C.
Glatt - You're right. I've measured gas consumption due to AC in the Insight at 0.13 gallon/hour. This should be fairly constant whenever the compressor is running. I've measured fuel consumption in the Insight at idle, without AC, to be about 0.1 gallon/hour, so this is a significant increase.

An SUV getting 20 mpg at 60 mph would use 3 gallon/hr, and if the AC was using an additional 0.2 gph the mileage would drop to about 19 mpg - which would be difficult to measure without some added instrumentation.

Quote:
Originally Posted by Shawnee123 View Post
Cool, do you need my shipping address so you can have your dealership deliver it to me? Thanks, man!
Unfortunately, they stopped making the Insight a few months ago (that wasn't very good timing, was it?). I could probably sell mine for what I paid for it in 2003.
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Old 05-23-2007, 10:04 AM   #4
Shawnee123
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Quote:
Originally Posted by HLJ View Post
Unfortunately, they stopped making the Insight a few months ago (that wasn't very good timing, was it?). I could probably sell mine for what I paid for it in 2003.
Bummer. I'll take a Prius, then.

Seriously, I do look forward to getting a fuel efficient car in the future.
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Old 05-23-2007, 09:34 AM   #5
glatt
 
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Quote:
Originally Posted by Cloud View Post
Here's an article debunking gas myths, like the one that says running your air conditioner will use up fuel
Running an air conditioner will use up fuel. Maybe not a lot, but don't misread the article. It's simple physics. If you ask the engine to do more work, it will take more fuel to do that work.

If I'm sitting at a red light in neutral, and I turn on the air conditioner, I can hear the engine increase its idle speed as the AC compressor turns on. The article talks about a test done at highway speed comparing having the windows open to having the A/C on. They did not compare all the other various driving situations. The amount may be negligible, but it absolutely uses more gas to run the A/C.

The tips about driving habits and tire pressure are good ones though.
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Old 05-22-2007, 07:03 PM   #6
Cloud
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I think we should go back to horses for short distances.
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Old 05-23-2007, 07:38 PM   #7
TheMercenary
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$2.98 today. Things are looking up. But I doubt it will last.
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Old 05-30-2007, 02:51 PM   #8
BigV
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$3.25/gal this weekend
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Old 05-30-2007, 05:46 PM   #9
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Still cheaper in Alaska.
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Old 05-30-2007, 07:50 PM   #10
TheMercenary
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$2.97 now.
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Old 05-30-2007, 08:28 PM   #11
xoxoxoBruce
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Maybe all the fires have slowed the tourist trade.
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Old 06-02-2007, 04:28 AM   #12
Urbane Guerrilla
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$3.229 in SoCal. Slowly drifting down. The price curve on gasoline reminds me of the light curve of a Cepheid -- steep rise, slow drop.

We know what the refiners are doing. They are making a mint under that slow-descent curve.
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Old 06-02-2007, 02:46 PM   #13
tw
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Found this picture from the BBC of an American gas station:
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Old 06-02-2007, 03:48 PM   #14
PointsOfLight
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I have never seen gas at 4.00 a gallon. Crazy.
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Old 06-02-2007, 09:52 PM   #15
Clodfobble
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Oh sure, pick the fattest, bowlegged, knuckle-dragging, glassy-eyed, sports-car-driving frat boy as a representative of an American at the gas pump. Thanks, BBC.
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