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Old 01-29-2007, 02:34 PM   #1
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EPA "Combined" number

If the EPA site does not list a "combined" number, what is the offical method of calculating a combined number?

Thanks
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Old 01-29-2007, 03:49 PM   #2
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for the jetta it's 26 mpg
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Old 01-29-2007, 04:06 PM   #3
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I think it's a weighted average of 45% city 55% hwy.
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Old 01-29-2007, 04:10 PM   #4
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I got that backwards: it's 55 city / 45 hwy.

http://www.fueleconomy.gov/feg/info.shtml
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Old 01-29-2007, 04:44 PM   #5
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The combined number is there.

The easy way is in the garage on the "add garage entry" link look for the EPA's web page link. Once you navigate to your year and model. Click on the name of your car just above the picture and it will give you the combined total. If everyone does this it will add to the consistancy.
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Old 01-29-2007, 06:44 PM   #6
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Quote:
Originally Posted by zpiloto View Post
The combined number is there. )
Ahh your right, had to do some searching to find it. I updated mine. I had just guessed halfway between hwy and citi.
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Old 01-29-2007, 10:11 PM   #7
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Many Thanks everyone!!!!
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Old 02-16-2007, 08:32 AM   #8
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Quote:
Originally Posted by zpiloto View Post
The combined number is there.

The easy way is in the garage on the "add garage entry" link look for the EPA's web page link. Once you navigate to your year and model. Click on the name of your car just above the picture and it will give you the combined total. If everyone does this it will add to the consistancy.
It is not very clear on the EPA site how to find combined. Your directions are all that got me to it. I corrected 'Old Reliable' yesterday 26.8 to 28. Thanks.
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Old 02-16-2007, 08:37 AM   #9
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Any idea where I can find EPA values for the Beat?

They quote 27.0 km/L @ 60 km/h - this comes out to 63.5 US MPG. I don't understand, but they also list a separate figure for "10 mode" (what is this?) of 17.2 km/L - which comes to 40.5 US MPG.

Do you think that's City vs. Highway? If so, I'll use that and calculate a "combined" figure based on the 55/45 rule.
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Old 02-16-2007, 09:36 AM   #10
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That should be Japanese 10/15 mode, and is shown here. It seems to be the equivalent of the US combined cycle, although it's very different. The Japanese 10 mode, which I'm guessing is the equivalent of the US city cycle, has way more idling, but not as many abrupt stops and starts, while the 15 mode has a minute of idling, and a couple minutes of consistent driving at ~35mph. Now, supposedly, a 2005 Prius gets ~33km/L=~80mpg on the 10-15 cycle, but only ~55mpg on the EPA's cycle, so there's a pretty big difference between the two cycles. I suppose you could go look up a bunch of different cars, and find the average difference in mileage between the 10/15 and EPA cycles, but really, I don't think it matters much. Maybe Matt could put in an option for different cycles, gallons, and fuel economy measurements?
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