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weather & fuel economy

May 11, 2007

Boy, the weather sure does affect fuel economy. Since starting my hypermiling, the weather has changed from being a late winter chill (between -10°C and 0°) to becoming downright summery (mornings around 10°C, afternoons higher, as high as 27°C today!). As the temperature rises, I have seen a corresponding reduction in my fuel consumption.

Filling up today, I logged 794 km on 48.15 L for a tank average of 6.06L/100km. Sweet! Compare that to my hypermiling average of 6.5L/100km for my previous two tanks, and you can see why it’s advisable to use your vehicle’s block heater during the winter to reduce fuel consumption.

I am now actively looking to get out of my Elantra and into a VW TDI. With average fuel consumption figures in the 6.0L/100km range, I am hoping to be able to dip deep down into the 5’s, if not even the high 4’s. That will be exciting!

3 Comments leave one →
  1. May 12, 2007 9:42 pm

    Your mileage is IMPRESSIVE to say the least, I have yet to master this skill.

    From what I hear, a TDI will definitely get you more mileage per tank, but what is the difference between a traditional gas engine and diesel other than mileage? Is diesel actually ‘dirtier’ or is that just a myth?

  2. May 13, 2007 7:33 pm

    Thanks, I’m as impressed as anyone! First step – get comfortable slowing down. That’s the hardest part.

    Sadly, yes, a diesel engine is dirtier than a comparable gas engine. That can be dealt with to some degree (using biodiesel is actually cleaner than dinodiesel), but is still relatively dirty. It’s a choice you have to make; less emissions, or cleaner emissions. I’m going for less emissions (by way of simply using less fuel).

  3. May 18, 2007 9:37 am

    just discovered your blog. this is awesome!
    good to see someone making such big efforts this way.
    i recently started reading more about this and making more conscious, sustainable choices.
    i don’t use my car as far as possible. diesel. growing my own veges…trying. 🙂

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