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Forum: Fuel Efficiency & Emissions

Discuss tips and techniques for getting the most from a gallon of gas. And share your concerns about what comes out of the tailpipe.

  1. 2005 Honda Civic Hybrid for Sale

    2005 Honda Civic Hybrid. 98,000 freeway miles, used as a commuter car and it never let me down! Owned by a non-smoker, and very clean. Always...

    Started by kstem4‎, 05-21-2012 10:53 PM
    • Replies: 0
    • Views: 1
    05-21-2012 10:53 PM Go to last post
  2. DIY hybrid conversion

    new to forum, sorry if this is a mispost Ok, as a monumental project, I have decided to convert my gas guzzling 1969 firebird into i believe what...

    Started by code_490‎, 02-22-2007 11:28 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 19
    04-23-2012 08:15 PM Go to last post
  3. Why mileage seems so low these days

    First let me say I love my prius. Now let me ask why my 1993 Honda Civic SI which had about 135 HP was able to get MPGs of 36 to 41 but my new...

    Started by ‎, 01-13-2006 02:00 AM
    • Replies: 7
    • Views: 8
    04-16-2012 06:44 PM Go to last post
  4. Mileage at highway speeds (75+ mph)

    I've read a lot about mileage on this site for people driving in the city and for people driving on the highway at 65 mph. I'm planning on buying a...

    Started by ‎, 01-03-2006 12:15 AM
    • Replies: 2
    • Views: 3
    04-03-2012 10:28 PM Go to last post
  5. Mileage Tips: Engine Start-up & Warm-up

    In the Mileage section of this site, you advise drivers not to allow their car time to warm before driving. I disagree. First, this wears heavily...

    Started by ‎, 05-10-2006 07:02 PM
    • Replies: 7
    • Views: 8
    03-17-2012 11:53 AM Go to last post
  6. Hybrid Vehicle Emissions

    Hybrid Vehicle emissions today are getting close to or even lower than the recommended level set by the EPA (Environmental Protection Agency). The...

    Started by manojjonam10‎, 10-01-2008 06:55 AM
    • Replies: 2
    • Views: 3
    03-17-2012 11:48 AM Go to last post
  7. Help Design North America’s Next Great Vehicle!

    Automobile designers want your input on a vehicle that is being planned for North America in 2012. If you have ever wanted to tell manufacturers how...

    Started by pamr79‎, 04-03-2010 03:15 AM
    • Replies: 2
    • Views: 3
    03-17-2012 11:40 AM Go to last post
  8. Hybrids in the mountains

    I am wondering if hybrids efficiency decreases when in the Rocky Mountains? It seems to me that mileage might decrease when climbing to 11,000+...

    Started by SusanR.Halama‎, 08-05-2008 10:55 PM
    • Replies: 2
    • Views: 3
    03-17-2012 04:06 AM Go to last post
  9. Old vs. new

    According to EPA.gov figures obtained a few minutes ago, a 2009 Honda Civic hybrid has 'new MPG' of 40/45. 'New MPG' of a 1984 Honda Civic CRX is /...

    Started by oldtimer1‎, 09-22-2009 07:19 AM
    • Replies: 1
    • Views: 2
    03-15-2012 05:56 PM Go to last post
  10. BAD GAS!

    Last week I filled up at the Hess station in Disney World for the trip back to the Keys. I got the WORST fuel economy I have seen in 5 years of...

    Started by Chiefbeal‎, 05-03-2011 10:22 PM
    • Replies: 1
    • Views: 2
    03-15-2012 04:50 PM Go to last post
  11. Where are the fuel-efficient trucks?

    I need to trade for a new vehicle, and would like something that is very fuel-efficient. I would also like something that I can take fishing, or move...

    Started by GrandPixel‎, 04-28-2011 09:05 PM
    • Replies: 1
    • Views: 2
    03-15-2012 04:49 PM Go to last post
  12. Best Oil for MPG - 8.7% increase?

    I found this Blog with excellent charts and such. I saw one HCH owner saying Mobil 1 is the way to go - but not according to these charts! ...

    Started by ‎, 02-28-2005 08:24 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 14
    01-13-2012 04:04 AM Go to last post
  13. Designing small SI engine for hybrid project

    Hi! We are a group of 3 swedish students who are doing a project in our university. We wish to design a fuel efficient and low friction four...

    Started by laui‎, 09-25-2007 03:40 PM
    • Replies: 3
    • Views: 4
    01-08-2012 07:42 AM Go to last post
  14. Hybrid electric-petroleum vehicles

    This is the most commonly used hybrid vehicle.A petroleum-electric hybrid most commonly uses internal combustion engines (generally gasoline or...

    Started by manojjonam10‎, 10-02-2008 08:09 AM
    • Replies: 1
    • Views: 2
    06-21-2011 02:52 PM Go to last post
  15. Tornado Air System and K&N Air Filter

    I have a HCH II with under 200 miles on it. Has anyone tried to improve MPG by installing either or both the Tornado Air System and K&N Air Filter?

    Started by ‎, 05-25-2006 04:54 AM
    • Replies: 9
    • Views: 10
    12-10-2010 08:39 PM Go to last post
  16. What portion of your total driving in your hybrid car is driven on highways at speeds of 55 mph or higher?

    I would like to know if many hybrid car owners drive on highways or urban expressways that allow them to drive at 55 mph or higher, and what sort to...

    Started by susansimonecofriendly‎, 10-10-2009 03:29 AM
    • Replies: 0
    • Views: 1
    10-10-2009 03:29 AM Go to last post
  17. MPG Display in Dashboards

    The way I see it, the real "problem" with hybrid cars with respect to mileage, is that they show you immediately and over time what your actual gas...

    Started by ‎, 12-25-2004 01:38 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 16
    03-05-2009 09:36 PM Go to last post
  18. Premium fuel

    Has anyone compared their mileage with premium vs. regular gasoline? In my Civic Hybrid, I estimate that I get almost 10% better mileage with...

    Started by ‎, 05-28-2005 07:39 AM
    • Replies: 8
    • Views: 9
    01-29-2009 02:02 AM Go to last post
  19. Better fuel milage and lower emissions

    have you guys ever heard of STM3 or cerma or ceramic engines? This stuff is great!!!! I heard of a product that can lower emissions coat your engine...

    Started by fastcerma‎, 11-21-2008 05:10 AM
    • Replies: 0
    • Views: 1
    11-21-2008 05:10 AM Go to last post
  20. 05 HCH MPG decrease

    My wife has a 05 Civic Hybrid that we bought new. It has had all of its scheduled maintenance performed at the same dealership. For the last three...

    Started by Red 5‎, 07-25-2008 10:43 PM
    • Replies: 3
    • Views: 4
    11-02-2008 08:52 PM Go to last post

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