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This is a discussion on How are you making so many MPGs!?! within the Gen III 2010 Prius Fuel Economy forums, part of the Gen III (2010+) Toyota Prius Forums category; Originally Posted by DaveinOlyWA ) so use the advice given in the previous posts, they are all ways to inch ...


How are you making so many MPGs!?!

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Old 07-05-2009, 10:45 PM   #21
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Default Re: How are you making so many MPGs!?!

Quote:
Originally Posted by DaveinOlyWA View Post
)

so use the advice given in the previous posts, they are all ways to inch your mileage up. the biggest thing to remember is keeping your momentum. changing speeds is what hurts you. if you get on the freeway and set cruise control for 65 mph and never have to adjust, you will improve your mileage. PERIOD. but the key is, on the freeway, you are going too fast to put your foot on the brake and the reason is, you cant have your foot on the brake and the gas at the same time. if you want to improve your freeway mileage, NEVER TAKE YOUR FOOT OFF THE GAS. doing so simply is too much of a change in momentum (now keep in mind, to avoid a huge increase in insurance rates, it may be necessary occasionally...but the less you do it, the better your mileage will be)
OK, now I am confused. I seem to hear a lot about Pulse & Glide (which might be a good name for a sex lubricant) where you purposely avoid a constant speed. The way I understand it (and I could be wrong) rather than driving a constant 60 MPH, you pulse up to 70 and glide down to 50 and repeat. It sounds dreadful and counter intuitive.

Today was my first 'long' trip in my 2010, about 130 miles. I drove with one passenger, a small dog, a full tank of gas, and had the AC on. I did not really go out of my way to do anything special and the trip odometer said I was getting 55.9 MPG. And this was through some hilly terrain, some 55 MPH highway, some 65 MPH highway and some dirt roads. I stayed within 5 miles of the speed limit, usually closer to the limit.

But in the future I have thought of some fuel saving ideas. Here are my top ten:

First, lose the passenger. There's 170 pounds of excess weight. He has legs;. he can walk.
2: Never fill the tank over the half way mark. 6 gallons of gas weighs close to 45 pounds.
3: Rip out the back seats. Having extra seats only encourages more passengers.
4: Do you know how much window glass weighs? Lose the windows and replace with Hefty bags and duct tape. If you do it right, it looks like limousine tinting.
5: Spare tire? Jack? Toss them out. How often do you get a flat tire anyway?
6: Reduce my body weight. I am going to schedule some liposuction and removal of my appendix, gall bladder, tonsils, and anything else I don't need. Also, do not consume any food or liquids 24 hours before you plan a trip. (If only 1 million people were 20 pounds overweight, it means that we are using fuel to move an extra 10,000 tons around everyday. Since we are an obese nation on the whole, think of the gas we use to ship blubber to work, shopping, schools, etc every day.)
7: Headlights rob power. Never turn them on. If you don't know where you are going after dark, you shouldn't be out in the first place.
8: Before dragging a heavy iPod into your vehicle, delete the songs you don't listen to much to make it lighter.
9: Keep your tires fully inflated...with helium.
10: Never brake. Sure, a few small children and some senior citizens might end up as speed bumps, but new children are born every day and young people will get old.

Good luck and happy motoring.
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Old 07-05-2009, 10:58 PM   #22
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Default Re: How are you making so many MPGs!?!

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Originally Posted by patsparks View Post
Please keep us informed.
rite now im getting 45 mpg. and what i thought was becuz i ride on uphill/dowhill roads. im hoping once we move out i get a better gas mileage. *crossed fingers*
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Old 07-05-2009, 11:27 PM   #23
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Default Re: How are you making so many MPGs!?!

Argyle, you should go on the Hall of Fame! =) lol
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Old 07-06-2009, 12:38 AM   #24
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Default Re: How are you making so many MPGs!?!

Quote:
Originally Posted by Argyle View Post
OK, now I am confused. I seem to hear a lot about Pulse & Glide (which might be a good name for a sex lubricant) where you purposely avoid a constant speed.
pulse and glide is the "best" way to eek out the mileage. but the OP only wanted to know how everyone got such great mileage and i do pulse and glide occasionally... but it probably amounts to less than 5-% of my driving and the reason is its really only effective at speeds of 45 mph and less.

its not convenient at freeway speeds, heavy traffic, etc. iow, its great if you have the opportunity to practice it and by all means do so, but there are other ways to get good mileage and for higher speeds, maintaining a constant speed is the way to do it.

also, take advantage of the terrain, building up a little extra speed on those gentle downslopes only to bleed that speed off slowly as you level out helps as well too.

the issues in getting good mileage is not driving a super efficient car (sure it helps!!) it is not fighting a losing battle against the laws of physics. wind resistance, inertia and momentum are all powerful forces that are constantly looking to sabotage your mileage.

case in point, get on the freeway, set CC and drive along, you will most likely settle out around 45 to 60 mpg... as your charge builds up, the battery will contribute a bit more and you will cruise along at 70 to 80 mpg for a minute, then settle back down to between 45 and 60 mpg.

now you will see wide swings when you change elevations (changes so slight that you dont feel the change) that is normal...

now, disable CC and take your foot off the gas until you have lost 5 mph... now speed up as gently as you can back to where you were. try not to go below say 30 mpg... can you do it?

nope...as you accelerate you will most likely be in the 10-25 mpg range. the reason is besides the above 4 forces of nature holding you back, you have the extra force of acceleration that has to be added to the equation.

now, dont get me wrong. pulse and glide is best way to get great gas mileage, but keep in mind, this kind of driving gets the best results driving between 25 and 40 mph. if you have the opportunity to drive at that speed and there is little traffic and multiple lanes and you have a little extra time and...

well, its like this, you can do " 5 and" driving, or you can just drive conservatively. driving conservatively should easily get you into the mid 50 mpg range. so it all depends on what you want to put into it
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Old 07-06-2009, 02:32 AM   #25
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Default Re: How are you making so many MPGs!?!

Quote:
Originally Posted by Argyle View Post
OK, now I am confused. I seem to hear a lot about Pulse & Glide (which might be a good name for a sex lubricant) where you purposely avoid a constant speed. The way I understand it (and I could be wrong) rather than driving a constant 60 MPH, you pulse up to 70 and glide down to 50 and repeat. It sounds dreadful and counter intuitive.

Today was my first 'long' trip in my 2010, about 130 miles. I drove with one passenger, a small dog, a full tank of gas, and had the AC on. I did not really go out of my way to do anything special and the trip odometer said I was getting 55.9 MPG. And this was through some hilly terrain, some 55 MPH highway, some 65 MPH highway and some dirt roads. I stayed within 5 miles of the speed limit, usually closer to the limit.

But in the future I have thought of some fuel saving ideas. Here are my top ten:

First, lose the passenger. There's 170 pounds of excess weight. He has legs;. he can walk.
2: Never fill the tank over the half way mark. 6 gallons of gas weighs close to 45 pounds.
3: Rip out the back seats. Having extra seats only encourages more passengers.
4: Do you know how much window glass weighs? Lose the windows and replace with Hefty bags and duct tape. If you do it right, it looks like limousine tinting.
5: Spare tire? Jack? Toss them out. How often do you get a flat tire anyway?
6: Reduce my body weight. I am going to schedule some liposuction and removal of my appendix, gall bladder, tonsils, and anything else I don't need. Also, do not consume any food or liquids 24 hours before you plan a trip. (If only 1 million people were 20 pounds overweight, it means that we are using fuel to move an extra 10,000 tons around everyday. Since we are an obese nation on the whole, think of the gas we use to ship blubber to work, shopping, schools, etc every day.)
7: Headlights rob power. Never turn them on. If you don't know where you are going after dark, you shouldn't be out in the first place.
8: Before dragging a heavy iPod into your vehicle, delete the songs you don't listen to much to make it lighter.
9: Keep your tires fully inflated...with helium.
10: Never brake. Sure, a few small children and some senior citizens might end up as speed bumps, but new children are born every day and young people will get old.

Good luck and happy motoring.
I'm going out on the road shortly, just removing seats now. Windows next but I consider glad wrap to be thinner and lighter than hefty bags, OK I lose the limo tint affect but hey, a few grams in weight can make all the difference. My bulimic friend showed me how to purge my stomach before I drive, that should get rid of all that useless bile I have been lugging about, a good dose of laxatives yesterday would have been a good move, oh well, there is always tomorrow.
Wish me luck everyone, 65mpg here we come!

Question; - When I run over a child or elderly person should I stop and back off them or continue driving until they wear down thin enough to roll out the back? I'm thinking drag versus momentum here.
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Last edited by patsparks; 07-06-2009 at 02:37 AM.
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Old 07-06-2009, 04:29 AM   #26
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Default Re: How are you making so many MPGs!?!

Quote:
Originally Posted by Argyle View Post
OK, now I am confused. I seem to hear a lot about Pulse & Glide (which might be a good name for a sex lubricant) where you purposely avoid a constant speed. The way I understand it (and I could be wrong) rather than driving a constant 60 MPH, you pulse up to 70 and glide down to 50 and repeat. It sounds dreadful and counter intuitive.
Adding to the DaveinOlyWA's wonderful comments, please be aware there is a 46MPH(42MPH on 2G) barrier speed.
Above that speed, Prius becomes completely different animal, and the engine has to spin all the time.
Above that speed, it is very hard and painful to do pulse & glide, then we see very little or limited MPG gain.
Therefore, it is recommended to use CC during that speed, and slower speed is better for MPG number.

The real MPG gain by pulse & glide is accomplished below the barrier speed.

Ken@Japan
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Old 07-06-2009, 08:08 AM   #27
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Default Re: How are you making so many MPGs!?!

Quote:
Originally Posted by patsparks View Post
I'm going out on the road shortly, just removing seats now. Windows next but I consider glad wrap to be thinner and lighter than hefty bags, OK I lose the limo tint affect but hey, a few grams in weight can make all the difference. My bulimic friend showed me how to purge my stomach before I drive, that should get rid of all that useless bile I have been lugging about, a good dose of laxatives yesterday would have been a good move, oh well, there is always tomorrow.
Wish me luck everyone, 65mpg here we come!

Question; - When I run over a child or elderly person should I stop and back off them or continue driving until they wear down thin enough to roll out the back? I'm thinking drag versus momentum here.
Don't forget to shed any unnecessary clothing. While local laws might frown on naked driving, (especially since you are not going for the limousine tint), nothing stops you from going commando. Men, iIf you are worried about chafing, apply a little Pulse 'n Glide brand lubricant down under as part of your daily routine.

Regarding the victims of your eco-friendly driving, I would recommend to keep driving. Unless they are clawing onto your bumper for dear life. I carry a lightweight snow brush to scrape them off. Don't feel bad about it; people are the ultimate renewable resource. Yes, I know the snowbrush adds weight, but without seats, passengers or a radio, the brush can become your friend and keep you company. If you style the bristles a bit and add a touch of makeup, you can prolly use it to get into the HOV lane.

Speaking of dead things, remember that oil comes from once living creatures. Since God made life and God is pure, you can have faith that oil is pure so heavy filters are not required. Lose them. Every time you use an oil filter, the atheists win.

Once you start driving with the Hefty Bags or Glad Wrap, you will find you have enough natural ventilation that you can rip out the climate control system.

And if you are still confused about pulse and glide, have your bulimic friend help you out. I believe it is similar to binge and purge.
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Old 07-06-2009, 08:26 AM   #28
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Drive the speed limit. That should put you at or abovr EPA rating.
You have got to be joking!!!
Around here, anything under 20 mph over the limit will get you run over by a semi!!!!

Simple. Only drive downhill with a tailwind. Works with all cars, hybrid or no. Hell, I learned that 20 years ago, from the guys who used to measure MPG for the EPA!

Last edited by HTMLSpinnr; 07-06-2009 at 08:23 PM. Reason: merged 2 replies into 1 - no content change.
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Old 07-06-2009, 08:55 AM   #29
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Default Re: How are you making so many MPGs!?!

All joking aside, (which is really hard for me), the country as a whole can save a lot of fuel by getting rid of the junk in most cars. I work with people that when we go out to lunch claim they can't drive because they have stuff in their cars and have no room for passengers. Or if they have to put a piece of equipment in their trunk, it is a 20 minute ordeal to rearrange the collection of items in there.
Oddly enough, these same people never seem to find room for a tire pressure gauge.

The other gas saving technique that I have not seen much conversation about is called 'driving less.' There are folks who have jobs or other situations that cause a lot of miles. But plenty of us (me included) make some trips that are either uneeded or inefficient or both.

When I was in high school 30 years ago <shudder>, you had to have special permission to drive to school and it was for special occasions, not everyday. Now the high schools in my suburban area have all built student parking lots. "Well Junior has to get to his job after school." Somehow I managed with a bike or walking. In the mean time, the gas-guzzling school buses still run around half empty.

And we train kids to be car-centric from an early age with electric toy cars. (Who remembers pedals?) I swear some of these children go from an electric scooter directly to a Rascal. (Which can be yours free if your Medicare approves it.) The only bright side is that as their legs atrophy from lack of use, it will be less weight to transport.

I was talking to a co-worker who had to leave a few minutes early to pick her son up...from cross country practice. Um, anyone else see a gap here?
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Old 07-06-2009, 10:57 AM   #30
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Default Re: How are you making so many MPGs!?!

Professor Julius Sumner-Miller once commented about when he was staying in a hotel in North Adelaide which overlooked part of the parklands around Adelaide which was used by the Australian Institute of Sport as a training grounds. He noticed that everyone arrived in a car, ran around on the grass for a while then left in a car. He assumed they were mostly going off to work or university in the city on the other side of the parklands. He didn't understand that behaviour.
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Blue Oval Forums > The myth of pulse and glide This thread Refback 09-06-2009 03:22 PM
The myth of pulse and glide - Blue Oval Forums This thread Refback 07-09-2009 11:50 PM
Ken@Japan Will Be On TV Teaching Prius Driving Techniques | PriusChat This thread Refback 07-09-2009 04:50 AM

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