Nuclear Physics

I never mind about the little things.

Wednesday, April 06, 2005

Got gas?

In these times of slightly higher gas prices (nothing compared to what we paid in adjusted dollars in the early 1980's and compared to what they pay in Europe), I offer some suggestions for increasing your gas mileage:

1. Sell your SUV. There's nothing you can't haul with a good station wagon and/or utility trailer.
2. Inflate your tires to the maximum. Don't go by the label on your door that might say 22 or 24 PSI. Pump them all the way up to (35 for most cars) the max listed on the side of the tire.
3. When filling up, DON'T "click, click, click" more gas into your tank. When the pump stops, stop pumping. Most cars need a small airspace at the top of the tank to work properly. Without this, your car might not run properly (using more gas), and could stall.
4. Take all of the crap out of your car. Now, I don't mean the good stuff like a shovel, boots, spare tire, case of beer, cyanide pills or any other emergency supplies. Just remove the crap that is weighing you down.
5. Do not buy premium gas. Higher octane gas is HARDER for your car to burn. 99% of cars get worse mileage on premium, and it doesn't have more "power".
6. For god sakes, slow the hell down. The next stoplight is only a half mile away, and it's not going anywhere. What's the hurry?
7. Let up on the gas long before you get there. Look ahead and plan to let the car slow down on its own. Braking simply wastes the energy you have put into your car's motion.
8. Don't run your car to warm up the engine. Although it makes it warmer for you, it wastes gas and causes unnecessary wear on your car. In cold weather, start your car, gently put it in gear and drive away slowly.

That's a good enough lecture for now. Carry on.

10 Comments:

  • At April 06, 2005 3:02 PM, Blogger gapey said…

    Thanks for the tips! I actually read on a local news station's site that if your car says it requires premium gas that you should give it premium gas and that it probably would save you in gas cuz it would burn less. I tried it this last time to see if it really does or not. I've still got a half a tank to go so we'll see. If it doesn't I'm going back to cheapo gas, but not AMPM or Arco cheap.

     
  • At April 08, 2005 8:15 AM, Blogger Grend31 said…

    I always thought that the harder gas was to burn, the longer it would last? Doesn't that make sense? Faster burning fuel goes away more quickly? I'm all corn-fused.

     
  • At April 08, 2005 11:14 PM, Blogger Jesster said…

    I spent $25 on gas today. Rrrrr.

     
  • At April 11, 2005 12:54 PM, Blogger dewdew said…

    Nope, Grend31, it's all about timing. If gas is harder to burn (higher octane), it has a tendency to ignite too late, and doesn't deliver power properly to your pistons. If the octane is too low (86 or below), it can ignite too early which applies resistance to your piston reaching the top of the cylinder.

    Most engines are tuned to use 87 octane gas, and anything else will cause them to run less efficiently.

    If your car is not tuned up, it may seem to run better on premium gas, but you are just wasting your money.

    It also takes more energy and chemicals to produce a gallon of premium gas, so it causes more total pollution to use it.

    According to the Federal Trade Commission website, "In most cases, using a higher octane gasoline than your owner's manual recommends offers absolutely no benefit. It won't make your car perform better, go faster, get better mileage or run cleaner. Your best bet: listen to your owner's manual."

     
  • At August 04, 2005 12:35 PM, Blogger dewdew said…

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  • At August 04, 2005 12:35 PM, Blogger dewdew said…

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  • At August 04, 2005 12:35 PM, Blogger dewdew said…

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  • At August 04, 2005 12:36 PM, Blogger dewdew said…

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  • At August 04, 2005 12:36 PM, Blogger dewdew said…

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  • At August 04, 2005 12:37 PM, Blogger dewdew said…

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