Fuel Economy & Emissions Talk about the mileage database, EPA, hypermiling, gas and driving strategy.
View Poll Results: What is your typical speed on the highway?
below 50 mph
1
1.14%
50-54
3
3.41%
55-59
15
17.05%
60-64
29
32.95%
65-69
19
21.59%
70-74
16
18.18%
75 mph or over
4
4.55%
I dont drive on the highway
1
1.14%
Voters: 88. You may not vote on this poll

Your speed on the Highway

  #11  
Old 10-19-2007, 01:56 PM
KermitCar's Avatar
It is easy being green
Join Date: May 2006
Location: North of Seattle, Wa
Posts: 112
Default Re: Your speed on the Highway

i dont normaly use cc but when im in car pool or its late at night and fewer cars on on the road, i set it at 60 in a 60 zone but i still tend to pass a lot of people
 
  #12  
Old 10-20-2007, 05:06 AM
Pretty Darn Active Enthusiast
Join Date: Oct 2007
Posts: 467
Default Re: Your speed on the Highway

I stick to the speed limit (typically 62 MPH), or slightly below. And I use cruise control whenever it is safe to do so.
 
  #13  
Old 10-20-2007, 07:19 AM
AshenGrey's Avatar
Hybrid True Believer
Join Date: Aug 2005
Location: Baltimore, MD
Posts: 881
Default Re: Your speed on the Highway

I also set the Cruise at 62 when I'm on the highway. Depending on the length of my drive, I've gotten as high at 53.3 MPG. Of course, my average MPG is pretty low because almost all of my driving is in-city and I have a real problem with road rage when traffic gets congested (which is all the time!)
 
  #14  
Old 10-22-2007, 06:42 PM
Enthusiast
Join Date: Nov 2006
Location: Norfolk, VA
Posts: 33
Default Re: Your speed on the Highway

I do 57mph in a 55 zone and 65 in a 65 zone just to keep people halfway sane. On a long trip from Myrtle Beach to VA I set the cruise on 60mph and was able to get 60mpg on that trip home. Slight tail wind the whole way and warm (no A/C) temps. Motor was not broken in fully either! I've noticed that while going 55mph the mileage is much better than say even 57 and even more so than 60. If I'm in the car alone I'll do 55
 
  #15  
Old 10-23-2007, 07:45 PM
IMAhybrid's Avatar
Vegetarian
Join Date: Aug 2005
Location: WPB, FL
Posts: 858
Default Re: Your speed on the Highway

In my HCH I go 60 and I usually use the cruise control. The Insight is a whole different story, first, it doesn't have cruise control (yet) so I can't use it. I haven't settled on a highway speed for it yet, and I probably won't get the chance, only 13.5 weeks of school left (!!!), which means I'll only be making ~4 more trips back home. So far I've been a little scared to go 60, not for safety reasons, I'm afraid I'll get hooked on going so slow that I won't be able to go any faster like I did in my Civic. Going between 67-76 I shave an hour off my travel time going home (over going 60), which means 2 extra hours I get to spend with my boyfriend.
 
  #16  
Old 10-23-2007, 10:48 PM
Active Enthusiast
Join Date: Feb 2007
Location: West Linn, Oregon
Posts: 93
Default Re: Your speed on the Highway

62-67 if not in a hurry, 72-75 if I have to go 100 miles or more as I just don't like to drive that long in the Prius. It is a poor open road car, imho.
 
  #17  
Old 10-24-2007, 01:34 PM
Pretty Darn Active Enthusiast
Join Date: Nov 2005
Location: Frisco, Tx
Posts: 253
Default Re: Your speed on the Highway

60 MPH or the posted limit, whichever is lower and always with CC. That means my speed will vary from 59 (up hill grades) to 61 (down hill grades).
 
  #18  
Old 10-26-2007, 05:24 PM
TheSpoils's Avatar
Insipid Enthusiast
Join Date: Sep 2007
Posts: 205
Default Re: Your speed on the Highway

My fuel economy is better when i do not use cc. It feels to aggressive on the slightest incline. Have not tested yet, but feel pretty confident that it is less efficient in a hybrid.
 
  #19  
Old 10-27-2007, 07:07 AM
HypoFueler
Thread Starter
Join Date: Mar 2007
Location: Ohio
Posts: 405
Default Re: Your speed on the Highway

Originally Posted by TheSpoils View Post
My fuel economy is better when i do not use cc. It feels to aggressive on the slightest incline. Have not tested yet, but feel pretty confident that it is less efficient in a hybrid.
I wonder about this too.

The thing is, when I dont use CC on freeways, my FE is similar to using CC, but I tend to drive slower than using the CC. Up hills, much more speed bleeds off and I dont really make up for it on downhills. So maybe no CC really is like driving slower...
 

Last edited by spartybrutus; 11-10-2007 at 06:34 PM.
  #20  
Old 11-10-2007, 06:40 PM
HypoFueler
Thread Starter
Join Date: Mar 2007
Location: Ohio
Posts: 405
Default Re: Your speed on the Highway

I spent a nice day in SoCal last Thursday driving from Cypress -->Torrence --> San Diego --> LAX....

Did seem like all of the millions of vehicles on the freeways there tended to do 70 or higher - when they were not bumper to bumper.
 

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