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Old 07-23-2013, 02:25 PM   #1 (permalink)
EcoPlotting
 
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Join Date: Jul 2012
Location: Austin, TX
Posts: 101

Sliver - '12 Hyundai Elantra limited
Team Hyundai
90 day: 35.1 mpg (US)

t-ruck - '06 chevy Colorado Lt
90 day: 21.88 mpg (US)

Bob - '09 Harley Sportster Nightster
90 day: 38.88 mpg (US)

Pearl - '14 Toyota Prius C 3
90 day: 48.1 mpg (US)
Thanks: 18
Thanked 13 Times in 12 Posts
~40.75 mpg In my Elantra

Finally surpassed the 40 mpg mark for my 2012 Hyundai elantra. 380 mile round trip to Mathis Texas back to Austin. I even went through downtown Austin in rush hour and still managed to keep the tank above 40. My best previous trip was ~39 mpg. I felt like I could have pulled off a higher number had I not hit 5 lights at the end of the trip. No EOC at the light because it was 90+ outside and my girlfriend mandated the use of A/C.

Possible reasons for the increase.

1. I kept the car at an average speed of about 62-63 mph.
2. I added a revised underbody pannel from the rear axel back after my last trip south.
3. I may have had a favorable tail wind on the return trip.

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Old 07-23-2013, 07:06 PM   #2 (permalink)
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Matchbox - '93 Ford Festiva L
Team Ford
Last 3: 70.16 mpg (US)

Salamander - '99 Chrysler Concorde LXI
Team Dodge
90 day: 30.3 mpg (US)

Urquhart - '97 Toyota Tacoma 4x4 V6 3.4L DLX
Pickups
90 day: 25.81 mpg (US)

Smudge - '98 Toyota Tacoma
90 day: 40.65 mpg (US)

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90 day: 39.39 mpg (US)
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Grats!
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Old 07-23-2013, 07:23 PM   #3 (permalink)
Pishtaco
 
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Join Date: Jun 2009
Location: Bay Area, California
Posts: 1,485

Mean Green Toaster Machine - '06 Scion xB
Team Toyota
90 day: 48.92 mpg (US)
Thanks: 56
Thanked 284 Times in 181 Posts
Cool beans. What tire inflation pressure do you use? We drove my wife's 2012 AT Elantra to California from Louisiana. 900 miles at the speed limit got us 34.2 mpg. One 404 mile tank at 60 mph got 38.4 mpg. Then I inflated the tires to max. sidewall pressure, kept the speed @ 60 mph, and we averaged 44.7 mpg for the next 1100 miles.
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Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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Old 07-24-2013, 04:06 PM   #4 (permalink)
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Join Date: Jul 2012
Location: Austin, TX
Posts: 101

Sliver - '12 Hyundai Elantra limited
Team Hyundai
90 day: 35.1 mpg (US)

t-ruck - '06 chevy Colorado Lt
90 day: 21.88 mpg (US)

Bob - '09 Harley Sportster Nightster
90 day: 38.88 mpg (US)

Pearl - '14 Toyota Prius C 3
90 day: 48.1 mpg (US)
Thanks: 18
Thanked 13 Times in 12 Posts
I have kept my tires at 40-to 42 psi since August of last year. I didn't see much change but I know it can hurt. 44.7 is a great return. I can image that I would have done better if I could have made the whole trip at 60. I felt like I at least had to maintain 65mph durring the 75mph speed limit sections. Most of the traffic was already not happy with me since they were doing about 80mph.

On a second note my 90 day average is finally above the epa's combined number of 32mpg. I can definatley see that my changes to the car, my driving style and some route planning have made an impact on my fuel consumption over last year around this time. Limiting the use of the A/C has aslo helped a little. Although, not on this last trip.

Last edited by night9; 07-24-2013 at 04:14 PM..
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Old 08-27-2013, 10:20 PM   #5 (permalink)
EcoPlotting
 
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Join Date: Jul 2012
Location: Austin, TX
Posts: 101

Sliver - '12 Hyundai Elantra limited
Team Hyundai
90 day: 35.1 mpg (US)

t-ruck - '06 chevy Colorado Lt
90 day: 21.88 mpg (US)

Bob - '09 Harley Sportster Nightster
90 day: 38.88 mpg (US)

Pearl - '14 Toyota Prius C 3
90 day: 48.1 mpg (US)
Thanks: 18
Thanked 13 Times in 12 Posts
New best tank was 42.98mpg same route as before. The only change was the addition of a front upper grill block. Then today I had a record trip of 49.5mpg on the way home from the store. I can only imagine what I could do if I could Eoc.
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Old 08-28-2013, 12:27 AM   #6 (permalink)
Hydrogen > EV
 
Join Date: Apr 2012
Location: NW Ohio, United States
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Snow White and the 6.2 Dwarfs - '11 Chevrolet Corvette LT2
Last 3: 26.46 mpg (US)

Silver Flea - '05 Honda Insight
90 day: 58.96 mpg (US)
Thanks: 981
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Why can't you EOC?
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Mustang - 54.83 mpg (US) at the Green Grand Prix
Insight - 82.91966 mpg (US) over 818.5 miles.
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Old 08-28-2013, 01:58 PM   #7 (permalink)
EcoPlotting
 
night9's Avatar
 
Join Date: Jul 2012
Location: Austin, TX
Posts: 101

Sliver - '12 Hyundai Elantra limited
Team Hyundai
90 day: 35.1 mpg (US)

t-ruck - '06 chevy Colorado Lt
90 day: 21.88 mpg (US)

Bob - '09 Harley Sportster Nightster
90 day: 38.88 mpg (US)

Pearl - '14 Toyota Prius C 3
90 day: 48.1 mpg (US)
Thanks: 18
Thanked 13 Times in 12 Posts
Its not good to EOC if you have an automatic transmission.
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Old 08-28-2013, 02:21 PM   #8 (permalink)
Pishtaco
 
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Join Date: Jun 2009
Location: Bay Area, California
Posts: 1,485

Mean Green Toaster Machine - '06 Scion xB
Team Toyota
90 day: 48.92 mpg (US)
Thanks: 56
Thanked 284 Times in 181 Posts
Keeping the TC locked, speed down, no stops or hills, & the AT in 6th gear, are the keys. I could probably approach 55-60 mpg on a road where I could drive @ 45-50 mph all day.
__________________
Darrell

Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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Old 08-28-2013, 05:28 PM   #9 (permalink)
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My 2013 auto Elantra real-world steady-states around 51mpg in 6th gear, about 49mpg in 5th gear & 48mpg in 4th gear, using 100% gasoline(ethanol-free). If a driver is even slightly impatient however, Elantra's low 131 lbs-feet of torque, makes mpg go away quickly, thus all the complaints about Elantra mpg giving somewhat less than EPA ratings.

Presently, my Elantra is averaging 39mpg(last 5 of 6 tanks have been 40mpg or more) with city driving being 15% & tanks used up in 4-7 plus days.
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Old 08-28-2013, 06:09 PM   #10 (permalink)
Hydrogen > EV
 
Join Date: Apr 2012
Location: NW Ohio, United States
Posts: 2,017

Snow White and the 6.2 Dwarfs - '11 Chevrolet Corvette LT2
Last 3: 26.46 mpg (US)

Silver Flea - '05 Honda Insight
90 day: 58.96 mpg (US)
Thanks: 981
Thanked 383 Times in 279 Posts
Quote:
Originally Posted by night9 View Post
Its not good to EOC if you have an automatic transmission.
For yours, or do you just mean in general? It could be more involved, depending on how one looks at it, but depending on the drive, it could be worth it. There are some cars that it should NOT be done on, I was just curious.

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Best Tanks:
Mustang - 54.83 mpg (US) at the Green Grand Prix
Insight - 82.91966 mpg (US) over 818.5 miles.
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