- #799 of 856
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Re: TCH MPG Drop During Extreme Heat [larsb]
by talmy1
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Aug 08, 2008 (12:00 pm)
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Replying to: larsb (Aug 08, 2008 10:29 am)
The battery capacity drops at high temperatures, reducing the amount of time one can run on battery even more. Long trips with the air conditioning on will reduce the battery temperature and improve mileage. I just consider either temperature extreme to be bad on mileage.
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- #800 of 856
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Re: TCH MPG Drop During Extreme Heat [shook4]
by snaab93se1
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Aug 08, 2008 (12:26 pm)
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Replying to: shook4 (Aug 08, 2008 8:35 am)
Live in phoenix as well...and yes the MPG drop when the temp is over 100 is about 3-5 mpg. I notice that the battery drains faster mostly because the a/c is running at full capacity....but I can't complain....after sitting outside in 115 degrees for 5 hours in full sun with only a front sunshield the a/c cooled the car down rather quickly. Still the lowest tank I've recorded is 33.1 and that was the hottest week here with temp highs over 112 all week and was forced to keep the car outside during the day.
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- #801 of 856
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Re: TCH MPG Drop During Extreme Heat [snaab93se1]
by nnnnnpatel
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Aug 08, 2008 (9:51 pm)
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Replying to: snaab93se1 (Aug 08, 2008 12:26 pm)
Just for clarification, are you saying that you are getting 33 mpg even with 112 degree weather? My hybrid is coming in on monday, unfortunately it is in black color and in the valley where I live, it is 100 degrees for couple months.
nick
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- #802 of 856
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Re: TCH MPG Drop During Extreme Heat [nnnnnpatel]
by snaab93se1
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Aug 09, 2008 (7:36 am)
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Replying to: nnnnnpatel (Aug 08, 2008 9:51 pm)
Yes 33.1 is the lowest tank I've recorded.....usually its about 50% city 50 % highway. This week its been very humid and around 108 and the mileage is back to 35 even with the a/c working overtime. When I first got the car in Feb was averaging 37-39 mpg per tank but the temp was averaging between 60-90.
Great car....you are going to love it.
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- #803 of 856
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Mileage after two tanks
by tjackson12336
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Aug 14, 2008 (4:09 pm)
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I commute 120 miles per day. 20% rural hills, 20 % in town and 60% highway. First tank was 40.3 mpg. Second tank 42.1 mpg. I typically am driving the speed limit or just a few miles over. So far so good. Great mileage for this large of car.
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- #804 of 856
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effects of ethanol?
by sunkist2
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Aug 22, 2008 (4:57 am)
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I have had my 09 TCH for two months with just under 2000 miles and the mpg has been around 36-38 running the A/C. The last tank is showing 42.8 without running the A/C so a big improvement. I use 100% gas (no ethanol) and am curious if the E10 stuff hurts the mpg. I also have a 96 Camry that typically gets 31mpg on 100% gas and when we tried E10 the car ran lousy and the mpg dropped to 28-29. Will E10 have the same effect on the TCH? E10 in the OKC area seems to be predominate now and it is getting harder to find 100% gas. I am hesitant to try E10 if it will hurt the mpg (even if it is a few cents cheaper), not to mention what other "bad" things E10 might do to a car.
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- #805 of 856
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Re: effects of ethanol? [sunkist2]
by loves2read
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Aug 22, 2008 (5:15 am)
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Replying to: sunkist2 (Aug 22, 2008 4:57 am)
I have 09 TCH bought in May--used normally for in town driving--stops/starts and lights and since I'm in TX run my AC---I normally get a 32-33 avg and the gas I normally put in has ethanol to certain %--there are times we have gone on the road and gotten more like 38-39-40 mpg and bought gas that probably had no ethanol...
so yes--if you have ethanol mix it will lower your MPG no way to avoid that since it is law of chemstry...
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- #806 of 856
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Re: effects of ethanol? [sunkist2]
by lzc
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Aug 22, 2008 (7:13 am)
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Replying to: sunkist2 (Aug 22, 2008 4:57 am)
The energy content of gasoline is 112-114,000 BTUs (winter/summer blends). Corn ethanol contains 76,000 BTUs. E10 reduces the energy content about 3%.
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- #807 of 856
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Re: effects of ethanol? [lzc]
by sunkist2
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Aug 22, 2008 (9:36 am)
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Replying to: lzc (Aug 22, 2008 7:13 am)
So, I guess the bottom line is I need to stick with 100% gas as long as I can get it. Something I knew all along but was hopeful the TCH would handle the "garbage" stuff better. Whose brilliant(?) idea was it to introduce ethanol into gas? Wait, don't answer that, I think I know who!
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- #808 of 856
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ethanol and economy
by colorlarry
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Aug 26, 2008 (2:44 pm)
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I just completed a round trip between Syracuse, NY and Hyannis, MA in my new TCH. The tank average for the trip to Hyannis was about 40 mpg. The average for the trip from Hyannis was about 36 mpg. The routes were identical as were the driving conditions. The difference? The gas bought in Massachusetts for the trip to Syracuse was 10 per cent ethanol.
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