What is Hypermiling? Can it really make huge improvements in gas mileage and fuel economy?
If you have been paying attention the last few years, especially since gas prices have gone up like mad (at one point the average price was over $4 per gallon), you may have heard about the term hypermiling. Most people have never heard of this term because quite frankly it hasn't been around all that long. Well, I am about to give you an overview of that term so that you will know what it means and how or if it can benefit you.
Hypermiling is basically a technique used by a growing number of people to increase gas mileage in their vehicles. It was made popular by Popular Mechanics staff and more recently by the staff at Myth Busters. With the increase in gas prices the last few years some people have been researching and developing simple methods to increase gas mileage. Many of these were additives and such that really had little or no effect. The rest were methods that involved changing one's driving habits. Most people do not realize how they are literally burning or wasting fuel with their current driving habits.
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One of the most pervasive techniques used by hypermilers is coasting. It is simply coasting as much as possible with your foot not on the gas petal of your vehicle. For instance coasting when you go down hills. The tendency is for most people to let off the gas, but your foot is still on the gas pedal and is still wasting gas by running more fuel through your car then necessary. Some people use a variation of this hypermiling technique called pulse and glide. It is simply, slowly accelerating to say 55 mph and then coasting down to 40 mph and then repeating. A good percentage of gas mileage can be gained from this technique. I have tried this technique and it didn't yield any measurable results like the first idea of coasting did. By coasting wherever possible I was able to get 20% better fuel economy from my car - that's a great improvement at todays gas prices!
Other hypermiling ideas include closely following behind big trucks and cars (drafting). This is dangerous as it completely removes any braking margin of safety. It can, however, lead to some very significant gains in fuel economy. The risks are just tooo great, but I see people doing it every day on I85 in Charlotte North Carolina. Must be they want the reported savings of up to 50% while drafting behind a big rig. I don't recommend it.
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So, remember that hypermiling is a set of techniques and devices that can be put to use to increase the gas mileage of your car or truck. Keep the hypermiling techniques in mind and put them to good use. They may just soften the blow to your pocketbook and help they environment at the same time.
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How far back do you have to be or can you be to be effectively drafting? Does anyone know? Is this hypermiling like NASCAR where you have to be literally inches behind the vehicle in front of you or can you be like 1 car length or more behind. I can deal with a car length or two, but I sure as heck ain't gonna ride someone's bumper.
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saving gas any way possible helps. i have a little hypermiling study i'm conducting using a honda accord. so far i've just drove 60mph down from my usual 80mph. been averaging 32mpg now instead of 30mpg. save a little her, save a tree there.
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@Peter P. - Closer is more effective, but it's a lot more dangerous. I find that 2-4 seconds away from a vehicle upfront gives the best fuel savings/safety margin.
If you follow too close, you end up braking more often which also translates to wasted gas. Not to mention that you cannot see the road around you well if you tailgate. In some states, you would end up with a traffic violation.
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