CleanMPG

  1. CleanMPG Topics

    Discuss improving fuel economy and lowering emissions

    1. General

      General CleanMPG related topic discussion.
      Discussions:
      2,739
      Messages:
      30,904
      Latest: CleanMPG Website upgrade... xcel, Jan 18, 2026
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    2. Start Your Journey Here

      Introductions and post the details of your vehicle and commute here. The experts will help get you up to speed by simplifying a lot of the techniques and helping you apply them to your specific situation.
      Discussions:
      2,495
      Messages:
      20,520
      Latest: Return with a worthy new ride EdwinTheMagnificent, Nov 17, 2025
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    3. Fuel Economy

      Discuss how to achieve better fuel economy.
      Discussions:
      2,639
      Messages:
      35,360
      Latest: Is it harder to hypermile a car with high horsepower? EdwinTheMagnificent, Nov 12, 2025
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    4. Emissions

      Emissions and emissions reduction related discussion.
      Discussions:
      128
      Messages:
      1,932
      Latest: The Rich Pollute litesong, Aug 7, 2024
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    5. The Daily Grind

      Use this forum to highlight your MPG efforts behind the wheel. Any memorable trips, good days, bad days they all belong here.
      Discussions:
      2,102
      Messages:
      62,814
      Latest: Month of July 2026 (Nat’l Avg price $3.847) EdwinTheMagnificent, Jul 14, 2026 at 11:02 PM
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  2. About

  3. Conventional Automobile Owners Community

    Questions, answers and discussions with conventional vehicle experts

    1. General

      Std. Questions and answers related to any automobile make or model.
      Discussions:
      8
      Messages:
      62
      Latest: To buy, or not to buy? And what is the question... xcel, Jul 3, 2026
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    2. Audi

      Discussions:
      2
      Messages:
      7
      Latest: Audi A5 xcel, Jan 18, 2026
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    3. BMW

      Discussions:
      0
      Messages:
      0
      (Contains no messages)
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    4. Ford

      Discussions:
      2
      Messages:
      2
      Latest: Ford 2023 U.S. Sales Reached 1,995,912 Vehicles, up 7.1% xcel, Feb 18, 2024
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    5. GM

      Discussions:
      25
      Messages:
      271
      Latest: GM August 2025 EV Sales Set Monthly Record xcel, Sep 11, 2025
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    6. Honda

      Discussions:
      3
      Messages:
      10
      Latest: How will Honda build EVs for the US market? How about an EV hub in Ohio xcel, Mar 8, 2024
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    7. Hyundai

      Discussions:
      21
      Messages:
      107
      Latest: 2022 Hyundai Ioniq 5 Intro Preview BillLin, May 28, 2026
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    8. Kia

      Discussions:
      2
      Messages:
      20
      Latest: Kia 2023 U.S. Sales Reached 782,451 Vehicles, up 12.8% xcel, Feb 19, 2024
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    9. Mazda

      Discussions:
      0
      Messages:
      0
      (Contains no messages)

    10. Mercedes-Benz

      Discussions:
      0
      Messages:
      0
      (Contains no messages)
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    11. Nissan

      Discussions:
      1
      Messages:
      2
      Latest: Nissan 2023 U.S. Sales Reached 898,796 Vehicles, up 23.2% litesong, Feb 19, 2024
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    12. Stellantis

      Discussions:
      2
      Messages:
      10
      Latest: Stellantis 2023 U.S. Sales Reached 1,527,090 Vehicles, down 1.3% litesong, Mar 23, 2024
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    13. Subaru

      Discussions:
      2
      Messages:
      27
      Latest: Subaru 2023 U.S. Sales Reached 632,086 Vehicles, up 13.6% + 2024 Crosstrek Preview xcel, Feb 19, 2024
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    14. Tesla

      Discussions:
      6
      Messages:
      39
      Latest: Tesla AI BillLin, Jul 3, 2026
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    15. Toyota

      Discussions:
      6
      Messages:
      183
      Latest: Hybrid battery video thunderstruck, Mar 2, 2025
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    16. Porsche

      Discussions:
      2
      Messages:
      5
      Latest: Porsche Achieves Record Q1 2025 U.S. Sales EdwinTheMagnificent, Sep 22, 2025
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    17. Volkswagen

      Discussions:
      1
      Messages:
      7
      Latest: Well, it seems like the SportWagen is probably not worth fixing... 08EscapeHybrid, Aug 17, 2024
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    18. Other Manufacturers

      Discussions:
      0
      Messages:
      0
      (Contains no messages)
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    19. 4x4's, SUV's and P/U Trucks

      Discussions:
      0
      Messages:
      0
      (Contains no messages)
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  4. Hybrid Owners Community

    Hybrid questions and answers with hybrid experts

    1. General

      General hybrid discussion and overview including questions and concerns.
      Discussions:
      123
      Messages:
      1,184
      Latest: Hybrid cars sitting unused some_other_dave, Jun 13, 2021
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    2. Chevrolet Volt

      Everything and anything relating to the Chevrolet Volt.
      Discussions:
      114
      Messages:
      1,464
      Latest: Should I buy a new 2018 Volt ? EdwinTheMagnificent, May 18, 2019
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    3. Ford Hybrids

      Everything and anything relating to Ford Hybrids.
      Discussions:
      341
      Messages:
      3,836
      Latest: THE STEALTHMOBILE LIVES!! BillLin, Mar 12, 2025
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    4. Honda Hybrids

      Everything and anything relating to the Honda Hybrids.
      Discussions:
      881
      Messages:
      11,433
      Latest: Honda Is Entrusting CleanMPG With the 6-speed CR-Z For A Week :D litesong, Sep 9, 2022
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    5. Hyundai Sonata Hybrid

      Everything and anything relating to the Hyundai Sonata Hybrid
      Discussions:
      18
      Messages:
      183
      Latest: Android Auto Update xcel, Aug 28, 2016
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    6. Toyota Camry Hybrid

      Everything and anything relating to the Toyota Camry Hybrid.
      Discussions:
      31
      Messages:
      320
      Latest: Youtube channel content - 'hypermiling' the 2025 Camry hybrid thunderstruck, Feb 26, 2025
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    7. Toyota Prius Family

      Everything and anything relating to the Toyota Prius Family
      Discussions:
      418
      Messages:
      5,059
      Latest: PriusChat refugees xcel, Jan 25, 2026
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  5. Diesel Automobile Owners Community

    Questions, answers and discussion with diesel powered vehicle experts

    1. Diesel powered automobiles

      Diesel questions, answers and open discussion welcome here.
      Discussions:
      112
      Messages:
      1,268
      Latest: The best (and last) diesel car ever....(2018 Honda Civic 1.6) xcel, May 18, 2018
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  6. Motorcycle Owners Community

    Discuss ways to improve motorcycle mileage and ways to make them run cleaner.

    1. Street and Performance Bikes

      Discuss ways to improve motorcycle fuel efficiency, rider safety and enjoyment.
      Discussions:
      248
      Messages:
      2,520
      Latest: 2019 Honda CB300R EdwinTheMagnificent, Dec 24, 2024
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  7. Electric Driven Vehicle Owners Community

    PHEV's, BEV's and FCV's

    1. General

      Open discussions on PHEV's, BEV's and FCV's can be found here.
      Discussions:
      206
      Messages:
      1,627
      Latest: Route planning tools for a successful and/or less stressful road trip in your EV BillLin, Mar 5, 2023
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    2. PHEV or Plug-in Hybrid Electric Vehicle

      PHEV discusions welcome here.
      Discussions:
      114
      Messages:
      617
      Latest: BYD King PHEV seen in Southern California EdwinTheMagnificent, Jun 10, 2025
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    3. BEV or Battery Electric Vehicle

      Battery Electric Vehicle discussions welcome here.
      Discussions:
      246
      Messages:
      1,593
      Latest: 2025 US EV Sales xcel, Jan 25, 2026
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    4. FCV or Fuel Cell Vehicle

      Fuel Cell Vehicle discussions welcome here.
      Discussions:
      30
      Messages:
      362
      Latest: Honda and Toyota FCV World Debuts with Headwinds xcel, Mar 29, 2025
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  8. Bicycle Owners Community

    Discussions about human powered and electrically driven bicycles

    1. General

      General Bicycling discussions here.
      Discussions:
      64
      Messages:
      798
      Latest: Hiland Spectre MTB litesong, Mar 1, 2022
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  9. Modding and Hardware

    Discussions about modding or anything you can put on a vehicle (tires, radios, bras, modifications, etc.)

    1. General

      General HW modding questions and answer discussions here.
      Discussions:
      497
      Messages:
      5,616
      Latest: California’s proposed new tire regulations. xcel, May 21, 2026
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    2. ScanGauge

      Anything ScanGauge related is open for discussion here.
      Discussions:
      585
      Messages:
      5,005
      Latest: XGauge (CAN-bus) for Dummies... Gombal, Jun 2, 2020
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  10. Information

    Site Articles, Reviews and News

    1. In the News

      News items that may be of interest. These show up on the front page.
      Only Moderators may start threads, but anyone can respond to them.
      Discussions:
      19,407
      Messages:
      136,871
      Latest: Meet the 2025 Porsche Taycan xcel, Jul 4, 2026
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    2. Articles

      CleanMPG Articles discussion.
      Only Moderators may start threads, but anyone can read and respond to them.
      Discussions:
      74
      Messages:
      2,107
      Latest: Beating the EPA - The Why’s and How to Hypermile xcel, Mar 20, 2022
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    3. Reviews

      Product Reviews
      Discussions:
      70
      Messages:
      1,696
      Latest: 2016 Lexus RX 450h Regional Preview xcel, Aug 4, 2019
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    4. Traffic and Safety

      Discussion on topics related to traffic and automobile safety
      Discussions:
      36
      Messages:
      402
      Latest: The Commuting Principle That Shaped Urban History (aka the "Marchetti Constant") Carcus, Sep 10, 2019
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    5. Commerical Transportation

      Discussion about Commerical Transporation of all types.
      Discussions:
      73
      Messages:
      438
      Latest: European vs American Travel Carcus, Dec 29, 2018
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    6. Smartphones and GPS Navigation

      Discussions about Smartphones and GPS Navigation units and systems.
      Discussions:
      48
      Messages:
      400
      Latest: Jan. 20, 2021 - New Map Updates for Garmins! EdwinTheMagnificent, Jan 21, 2021
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    7. Infotainment

      Discussions about Infotainment Solutions including smartphones and OEM systems.
      Discussions:
      2
      Messages:
      9
      Latest: Wifi/Bluetooth back up camera Airbalancer, Nov 1, 2014
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    8. Go Hypermiling Podcasts

      An offshoot of CleanMPG's "Best Of" topics of the week with live commentary.
      Discussions:
      17
      Messages:
      62
      Latest: Go Hypermiling #4 – Manuel Santos at HybridFest 2009 fileaudio, Mar 8, 2014
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    9. New Automobile Specifications

      Detailed vehicle specifications.
      Discussions:
      101
      Messages:
      881
      Latest: 2015 Hyundai Sonata Pricing, Options and Specifications xcel, Aug 11, 2016
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    10. Fuel

      Gasoline, Diesel, and Renewable fuel(s)
      Discussions:
      223
      Messages:
      2,650
      Latest: What's your current fuel prices? BillLin, Jul 4, 2026
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    11. Environmental

      Environmental impacts and renewable power generation for home and industry discussed here.
      Discussions:
      312
      Messages:
      2,504
      Latest: Antarctic Ice Loss- Calving & Melting litesong, Aug 26, 2024
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  11. Our Community

    1. Automotive Hot Deals

      Discussion about automotive and automotiove accessories "Hot Deals"
      Discussions:
      137
      Messages:
      505
      Latest: Hot Deal - Change Your Own Oil w/ Higher Quality Oil and Filter For Less... :D xcel, May 28, 2026
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    2. My Ride

      Meet the Members and their vehicles.
      Discussions:
      96
      Messages:
      1,599
      Latest: Moving on... PaleMelanesian, Mar 3, 2021
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    3. Events and Gatherings

      Meets and Events
      Discussions:
      370
      Messages:
      4,667
      Latest: Drive $mart Wisconsin 2020 News Update litesong, Mar 7, 2020
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    4. Website news & discussions

      Discuss website problems and features here.
      Discussions:
      374
      Messages:
      3,499
      Latest: General Automotive Forums Accidentally Deleted. :( litesong, Nov 11, 2022
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    5. Legislation

      Topics include impending and current legislation on hybrid purchase incentives, clean energy, and any related to reduction of SMOG/GHG emissions.
      This is not a debate forum on the merits of enacting such legislation.
      Discussions:
      37
      Messages:
      334
      Latest: Higher Registration charge for HEVs, PHEVs, and BEVs in TN litesong, Feb 23, 2024
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    6. For-Sale/Wanted

      If you have something you want to sell, or are looking to buy anything please post here. Commercial companies are welcome to post here provided they are not selling a gimmick and providing the products being sold are being sold at below retail cost, and that the product is something the members of this website would appreciate seeing. Any ad may removed at the administrator's discretion. Blatant spamming may cause you to be instantly banned (nokia cell phone salesmen, this means you).
      Discussions:
      198
      Messages:
      2,152
      Latest: Sold: Scan Gauge II for sale $60 shipped EdwinTheMagnificent, Dec 2, 2021
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    7. Off-Topic

      If it doesn't belong anywhere else you will find it here.
      Discussions:
      2,167
      Messages:
      25,272
      Latest: Happy Birthday Wayne! xcel, Sep 21, 2025
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    8. Hero and Jerk of the Day

      Hero and Jerk of the Day
      Discussions:
      287
      Messages:
      2,792
      Latest: Your Door Dash Driver Got Arrested ... ;) xcel, Jan 30, 2022
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  12. Travel

    Members Travel Experiences

    1. Travel Destinations and Experiences

      Travel Destinations and Experiences
      Discussions:
      19
      Messages:
      80
      Latest: Cross Country on $80? EdwinTheMagnificent, Oct 18, 2024
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  13. Off-Topic

    Business, Economics, Sports, Weather and yes, even politics.

    1. Business and Economics

      Discussion related to Business and Economics of the day.
      Discussions:
      24
      Messages:
      1,092
      Latest: US Finds Lithium & Already Trouncing Native Tribes litesong, Mar 15, 2024
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    2. Sports

      Discussion related to any and all sports.
      Discussions:
      9
      Messages:
      38
      Latest: Seattle Mariners & Other Teams litesong, Jun 6, 2024
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    3. Weather

      Discussion on weather realted topics of all kinds.
      Discussions:
      41
      Messages:
      439
      Latest: Skykomish Bolt Creek Forest Fire litesong, Sep 26, 2024
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