Fuel Economy & Emissions Talk about the mileage database, EPA, hypermiling, gas and driving strategy.

Ahh .. Summer MPG

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  #11  
Old 03-12-2005, 10:03 PM
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Temps here in Atlanta have been warming up to the 60's but with it has come wind storms and advisories, mainly cross winds but sometimes changes to headwinds.

None the less I'll be filling the tank tomorrow just shy of 60.
I haven't come this close to 60 since last November or so.
 
  #12  
Old 03-14-2005, 08:15 AM
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I'm with you guys! hopefully the only way to go is up! Here in southern NY I'm on my second tank of gas (bought my HCH CVT in jan) and doing better every day. 1st tank was 40mpg and temps were high 20s, low 30s - but I do really short trips, home office so no commute. most of that first tank was mid 30's and I really struggled (took it out on the highway) to pop it up to 40mpg. second tank is half gone and I'm around 44mpg and temps are now more like high 30s, some low 40s. Tires are bridgestones at 42psi (just checked them yesterday)
so how much of that improvement is temp, and how much is driving? I don't know how Hot_Georgia consistently averages in the 50's! (even in winter)

this am, switched trip meter technique from- a:current tank/b:lifetime to- a:current trip/b:tank average and had alot of fun. instant gratification on the mpg guage is alot more informative feedback wise, as well as getting my numbers up. 1/2 tank average was 44.2. This am trip (2 miles eacg way to drop husbands car at shop) 38mpg the way there with COLD car (temp 28) and 56mpg way back!! yee hah!!! first time I saw the gauage over 50!! I even had it up to 65mpg for a while. It was ALOT more fun playing 'the game' that way. (okay, so there were alot of down hills on the way back, still....)

Jason, it would be neat if the state was right up there on the mileage database with the commute & average. I've been trying to get a handle on other northern cars with a short (or no) commmute to compare my numbers to, and haven't come up with any.
also - there are cars that are inactive. and while their data is valuable - if there's only one tank, and it was back last july, the data is hard to compare to. now that there are over 60 civics on the database, what about breaking it down into active and hybernating? something like mileage entries every min. every 6 weeks or go to the inactive list? just an idea.....
 
  #13  
Old 03-14-2005, 01:42 PM
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I agree, YAH for summer temps. Yesterday I went from Chattanooga (el 621 ft) to Monteagle Mountain (el 2100 ft) and about 45 mile drive. I left home with 53.3 on the FCD, by the time I arrived at the foot of the mountain I was sitting at 54.1 while driving on the freeway. Now the fun starts. At the top of the mountain I was at 51.8, ouch! I visited at my in-laws and then headed home. By the time I got back close to Chattanooga I was at 55.6 on mostly freeway driving. The distance had something to do with this, but I have driven this route before and this is the best I have done yet.

Billy
 
  #14  
Old 03-14-2005, 11:18 PM
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Hi Everyone:

___You are all bringing tears to my eye’s

___Just think, another month or two and we will be seeing some personal bests!

___Good Luck to you all.

___Wayne R. Gerdes
___Hunt Club Farms Landscaping Ltd.
___Waynegerdes@earthlink.net
 
  #15  
Old 03-31-2005, 09:25 AM
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wooohoooo! I bought this car in late January and have been ranging from 44.6 to 47.3. Now I'm between 48.8 and 49.2. I'm in serious debt, but it's ok, because I love my HCH more than is socially acceptable. haha. Spring mileage rules
 
  #16  
Old 03-31-2005, 04:27 PM
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I'm looking at 34 right now (rough calc from the gas gauge, but much better than normal). I'm really looking forward to ending this tank on a long haul up north. Should be some great milage.
 
  #17  
Old 04-04-2005, 04:52 PM
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Default Re: Ahh .. Summer MPG

My Prius II mileage just keeps improving. Last two tanks averaged 59; 100 miles into the current tank, I am at 66.7. This is pampered easy city driving at 60 F temps, but it is *so* gratifying. I have even stopped nagging at my wife, now that she hits the 60's ;-))
 
  #18  
Old 04-04-2005, 07:34 PM
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Default Re: Ahh .. Summer MPG

I'm still trying to figure out if we're going to get real gasoline in Phoenix or not. Up until 2003, we were on the EPA's hit list of places required to run some form of RFG year-round. That meant E10 in the winter (a paltry 110,000 BTU/gal) and 15% MTBE in the summer (better at 112,000 BTU). At no time of year did we get the full 114,100 BTU "standard" gasoline everyone else gets.

So for 2004, the EPA officially declared us clean enough to only need winter gas (again, the E10 ethanol gas) but in theory, Maricopa county left open the option of still requiring E10 in the remaining months of the year. MTBE has been banned by CA and AZ, and probably pretty much every other state in the country by now, so there's no chance of us getting the old style RFG; it's either going to be straight up gasoline or E10, but I can't find anything stating conclusively what they're doing for 2005.
 
  #19  
Old 04-04-2005, 08:26 PM
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Angry Re: Ahh .. Summer MPG

Hi AZCivic:

___Here in Illinois, we are stuck with E10 and RFG in the winter and straight E10 for the other 6 + months of the year? Have you read some of the RFG studies? It lowers emissions by a few percent just as it lowers FE by a similar percentage. In the end, it is almost a wash? The Illinois EPA should have mandated low sulfur years ago as the clean states have instead of waiting until 2006/2007… This would have reduced the shear number blends depending on where in the country you live (18 + at last count IIRC) and achieve much cleaner emissions in many late model automobiles for all

___I am still not so sure that E10 is energy positive given it cannot be pipelined. With that, it may reduce our foreign oil dependence but I have seen discussions stating the energy balance may in fact be negative thus increasing our dependence? If you have any links, feel free to post as it has been a few years since I followed up on it.

___Finally, I like Illinois for its lower speed limits and relatively flat areas in and around Chicago but I absolutely hate our high sulfur - E10 - RFG garbage in the winter/same non-RFG in the summer that we are forced to fill up our tanks with at each and every fill

___Good Luck

___Wayne R. Gerdes
___Hunt Club Farms Landscaping Ltd.
___Waynegerdes@earthlink.net
 
  #20  
Old 04-08-2005, 08:04 AM
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Default Re: Ahh .. Summer MPG, A/C usage, low MPG, GGGRRRR!!

Trade-off notice !!!

We hit the big 96 degrees F yesterday in Phoenix (yep, smokin temps are on their way here soon ) so I was required to use my A/C for the drive home. Less than five minutes of A/C usage and my tank dropped from 54.8 to 54.5 after 500+ miles on the tank.

GGGGRRRRR !!!!
 


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