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-   -   Need help for EPA rating to correctly register my megane (https://ecomodder.com/forum/showthread.php/need-help-epa-rating-correctly-register-my-megane-3279.html)

groar 06-23-2008 04:32 AM

Need help for EPA rating to correctly register my megane
 
Hi,

I introduce myself a week ago. I registered my scenic (vehicleid=838) and now I'm registering my megane (vehicleid=962) for which I'll soon have a first fuel log to enter.

The problem is to know the numbers I have to use for the EPA rating...

The megane is old and the FE is the old European test :
. Urban : 33.6mpg (7.0l/100)
. 90km/h (55.92mph) : 51.1mpg (4.6l/100)
. 120km/h (74.56mph) : 37.3mpg (6.3l/100)

Logically the "120km/h" test corresponds to your "EPA highway" while the "Urban" test corresponds to your "EPA city". If I keep the "90km/h" for your "EPA combined" then this one will be the bigest one which isn't logical.

Currently I exchanged the "90km/h" and the "120km/h" numbers, so I have :
. EPA city 33 mpg(US)
. EPA highway 51 mpg(US)
. EPA combined 37 mpg(US)
which is wrong because European highways are above 120km/h : 130km/h in France.

How can I estimate the "EPA combined" from "EPA highway" and "EPA city" ?
The average is giving 6.65l/100 = 35.3mpg.

Anyway, I will certainly be over 38mpg for the current tank while I was under 33mpg before hypermiling :-)

Thanks in advance,

Denis.

Daox 06-23-2008 10:08 AM

If your highway speeds are 120 km/h then use that at the highway EPA and use the urban for city EPA. Throw out the 90 km/h and use an average of the urban and 120 rating for the combined EPA. That seems to be most accurate in accordance with what you got and are now getting.

groar 06-23-2008 03:39 PM

Thanks. I updated megane's EPA ratings to 33, 35 & 37mpg.

I'm currently at 850km and the "empty tank" LED is always off, so I will achieve better than 40mpg :-) this is 14% better than that EPAcombined (745 km for 50l) and 21% better than what I think I was doing (700 km).

Denis.

groar 06-30-2008 11:21 AM

missed the 40mpg but proud enough for the result
 
Quote:

Originally Posted by groar (Post 37542)
I'm currently at 850km and the "empty tank" LED is always off, so I will achieve better than 40mpg :-) this is 14% better than that EPAcombined (745 km for 50l) and 21% better than what I think I was doing (700 km).

It took time because I didn't drive a lot last weeks...
Isn't it the best way to hypermile ? ;-)

Finally the "empty tank" LED switched on at 891km (554m) and I refueled at 911km (566m). What is strange is that usually the LED is on before the 50l (13.2g) and I refueled 54l (14.3g).

Denis.

SVOboy 06-30-2008 12:30 PM

Congratulations on the nice fill up!


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