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Guest Message by DevFuse

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Register your Fusion Hybrid at the official Ford authorized registry here.


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Highway MPG

highway mpg low

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8 replies to this topic

#1 OFFLINE   SimAndy

SimAndy

    New Member

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  • Region:U.S. Mississippi
  • Location:Memphis
  • Current Vehicle:Fusion Hybrid Titanium
  • My Hybrid's Year:2017

Posted 19 December 2017 - 12:06 PM

Hi. I'm a new member here and have just bought a 2017 FFH Titanium with 25K miles on it. 

 

Before I got my car I had a rental from Hertz from Chicago to 20 miles north of Milwaukee and back over a weekend. I drove at around 75mph most of the way and got 42mpg, that is a main reason I bought this model car. I noticed that it spent a lot of time in EV mode especially on downhills and level road just following a down hill.

 

Around town I'm getting about 46mpg (very happy) but recently I went on a long trip, 700 miles each way, which is almost all Interstate. On the same section of road from Chicago to Milwaukee and back I was getting around 34mpg with exactly the same driving style. The last 400 miles I only got around 32mpg at 75 mph and it was all pretty flat driving. Tank fills and computed consumption are pretty close ~0.5mpg.

 

One thing I noticed was that the EV could only hold about 50-55mph on the flat whereas normally it will hold 70+ with no problem.

 

Once I got back to my home city my drive back from work was at 50mpg about 50/50 highway and city driving.

 

Everything seemed to be working on the electric system regarding charging and regenerative braking but it was just unable to use EV drive. I think it was about 5% of the journey in EV. I thought there might be a problem with the motor but as soon as I was home it seemed normal.

 

Has anyone else had any similar experience with highway driving?

 

Has anyone else had any similar experience with highway driving?

 








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#2 OFFLINE   lolder

lolder

    Fusion Hybrid Addict

  • Fusion Hybrid Member
  • 1,815 posts
  • Region:Decline
  • Location:Florida
  • Current Vehicle:2010 FFH 501A Trim
  • My Hybrid's Year:Decline

Posted 19 December 2017 - 02:30 PM

Cold temperatures, rain, headwinds are the most likely culprits.


  • SimAndy likes this

#3 OFFLINE   SimAndy

SimAndy

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  • Region:U.S. Mississippi
  • Location:Memphis
  • Current Vehicle:Fusion Hybrid Titanium
  • My Hybrid's Year:2017

Posted 19 December 2017 - 02:51 PM

I didn't realize that cold temps had such a big impact. It was 30s up in Wisconsin and then mid-40s to 50s on the trip home. No rain and it didn't seem particularly windy.



#4 OFFLINE   Cobra348

Cobra348

    Fusion Hybrid Enthusiast

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  • Region:U.S. Northeast
  • Location:Oswego, NY
  • Current Vehicle:Ruby Red wLight Stone Leather
  • My Hybrid's Year:2017

Posted 19 December 2017 - 09:18 PM

In the cold temps the ICE runs more frequently to stay at operating temp.  The HVB is also out of optimal range for its optimal operation.  Essentially the colder it gets the more you'll see this kind of performance.  Where I am and with the current temps I'm lucky to see the HVB get 50% before ICE kicks in and screws the MPG all up.

 

Added:  I know they dinked around with the drive technology controlling the ICE and HVB usage.  I say this because in my '15 HyTi I had no problem hitting mid-40 range in daily usage (by receipts).  With the '17 I'm struggling to hit 40 twice in a row!  No general change in roads traveled, times, etc.  I'm here to say that even in the best temps for the EV usage, ICE is kicking in more frequently.


Edited by Cobra348, 19 December 2017 - 10:51 PM.

  • Chipmunk78910 likes this

Larry - aka Cobra

 

Big Red: 2017 FFH SE, Ruby Red, Med Light Stone leather

602A SE Luxury Package, Park Assist, Adaptive Cruise Control w/stop & go

Driver Assist Pkg (lane keeping, BLIS, auto high beams, auto wipers, heated steering wheel)

My additions:  WeatherTech lasercut floor mats, in-channel wind deflectors (dark smoked),

Steeda strut tower brace, Steeda rear sway bar, Steeda hood struts, Ford donut spare

Summer rims/tires - 17" Verde Regency rims with OEM tread

Winter rims/tires - 17" OEM rims with Goodyear UltraGrip WRT Ice

 


#5 OFFLINE   SimAndy

SimAndy

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  • My Hybrid's Year:2017

Posted 20 December 2017 - 10:21 AM

Thank you for the feedback.

 

I have noticed that now it's got cool, and when it was genuinely cold, I find that my HVB is fully charged when I get in even though it was half charged when I parked.

 

I suspected that the car was either an Energi in disguise and driving itself somewhere to fill up or it was a function of the battery being cold, probably the latter. :-)



#6 OFFLINE   lolder

lolder

    Fusion Hybrid Addict

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  • Region:Decline
  • Location:Florida
  • Current Vehicle:2010 FFH 501A Trim
  • My Hybrid's Year:Decline

Posted 20 December 2017 - 09:20 PM

In  mid range temperatures, mpg decreases 2 mpg per 10 deg. F. lower temperature. Mpg decreases  6 mpg for every 10 mph increase in speed.  Headwinds lower mpg  3 mpg for 10 mph headwinds. Tailwinds have the opposite effect. Moderate to heavy traffic creates 5-10 mph tailwinds. Heavy rain can lower mpg up to 10 mpg.

 

If you go out and speed in frigid temperatures against winter winds, you'll run out of gas a mile from home.

 

Gas cars get equally bad mileage in these conditions but when you're getting half the mpg in them originally, the effects are half as much in mpg.


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#7 OFFLINE   luckyleo

luckyleo

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Posted 27 December 2017 - 07:45 PM

 Florida warm temps seem to be friendly to the FFH.  I get low 40s when driving on the highway ~75MPH.

Local driving, I am getting Prius numbers ~50 mpg.   When I get to plug in often I see 150 mpge on trip history.  

I have only had this car a few weeks but very happy with MPG/MPGe.  I really need to start keeping a log to see if the computer is telling me the truth. 



#8 OFFLINE   Cobra348

Cobra348

    Fusion Hybrid Enthusiast

  • Fusion Hybrid Member
  • 484 posts
  • Region:U.S. Northeast
  • Location:Oswego, NY
  • Current Vehicle:Ruby Red wLight Stone Leather
  • My Hybrid's Year:2017

Posted 28 December 2017 - 11:30 AM

 Florida warm temps seem to be friendly to the FFH.  I get low 40s when driving on the highway ~75MPH.

Local driving, I am getting Prius numbers ~50 mpg.   When I get to plug in often I see 150 mpge on trip history.  

I have only had this car a few weeks but very happy with MPG/MPGe.  I really need to start keeping a log to see if the computer is telling me the truth. 

Computer is off by 2 MPG or more as compared to gas receipts.  The gap will close as you tack up more miles.


  • luckyleo likes this

Larry - aka Cobra

 

Big Red: 2017 FFH SE, Ruby Red, Med Light Stone leather

602A SE Luxury Package, Park Assist, Adaptive Cruise Control w/stop & go

Driver Assist Pkg (lane keeping, BLIS, auto high beams, auto wipers, heated steering wheel)

My additions:  WeatherTech lasercut floor mats, in-channel wind deflectors (dark smoked),

Steeda strut tower brace, Steeda rear sway bar, Steeda hood struts, Ford donut spare

Summer rims/tires - 17" Verde Regency rims with OEM tread

Winter rims/tires - 17" OEM rims with Goodyear UltraGrip WRT Ice

 


#9 OFFLINE   ptjones

ptjones

    Fusion Hybrid Enthusiast

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  • Region:U.S. Southern Atlantic
  • Location:Atlanta area
  • Current Vehicle:2013 CMAX SEL
  • My Hybrid's Year:2013

Posted 28 December 2017 - 03:24 PM

But also odometer is off 1.5-2% to the good side so you make about half of that back. :) 

 

Paul 


163299.png 600 Club

Current Record:  12/30/2014  902.2 mi.  63.8 mpg  14.13  gal. (Actual GPS:  922 mi.  68 mpg  13.5 gal.





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