James (katsurian) wrote,
James
katsurian

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Gas mileage experiment

I read an article a couple months ago on ways to improve your gas mileage. Besides regular car maintenance like engine tune-ups and proper tire pressure the article said that taking the car out of gear while going down hills can also improve your mileage. It's easier to do with a manual transmission since you just use the clutch. If you have an automatic transmission you need to be very careful shifting from neutral back to drive, needing to slightly rev the engine up getting it back in gear.
My preference has always been with the "four on the floor" or 5-speeds nowadays and I've been experimenting with my Neon. Over a 2 month period I've averaged an extra 4 MPG. I've also been surprised to find that some very slight downhill areas manage to maintain my speed and others that don't seem much steeper actually increase my speed.
Tags: mileage
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