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Toyota Yaris Real-World MPG

472 messages,  Last post on Oct 23, 2009 at 11:40 AM

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What is this discussion about? Toyota Yaris, Fuel Efficiency (MPG), Hatchback


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#31 of 472
Re: Dissapointed too. [violin] by asa805
Jun 22, 2006 (6:42 am)
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Replying to: violin (Jun 22, 2006 6:26 am)

Ok so let me get this straight. Ethanol is cheaper and more readily available than petrol and gas stations are getting tax credits from the fed gov. by using it. And yet we are still being charged well over $3 a gallon at the pumps for significantly less miles per gallon. I understand the whole saving the enviroment bit but somehow I feel like im getting really ripped off here. Please correct me if i am wrong.
#32 of 472
Not me... by violin
Jun 22, 2006 (10:05 am)
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I won't correct you.
#33 of 472
Re: Dissapointed too. [asa805] by wave54
Jun 22, 2006 (2:30 pm)
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Replying to: asa805 (Jun 22, 2006 6:42 am)

Unless a car is flex-fuel capable, I believe it can't safely run on anything more than a 10% ethanol blend. E85, with 85% ethanol, will drop fuel economy significantly (20-30%) and should be priced accordingly. In Brazil, E85 is 1/3 less than regular gasoline.
 
I live in CT and all stations switched from MTBE to 10% ethanol some time ago. Gas mileage shouldn't suffer any more than 5% -- still 1.5 to 2 mpg with an economy car. No discounts due to the complexity of blending ethanol into the gas -- it can't be piped -- must be blended at each terminal.
#34 of 472
Ethanol is a ripoff! by jrlnc
Jun 22, 2006 (6:48 pm)
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I have a Honda Fit and get great mileage, but my state (NC) is not yet using ethanol. Others who live in ethanol blend states appear to be getting 20% worse fuel economy with the same model.
 
The dirty little secret is that ethanol is actually MORE polluting, costs more to the consumer, takes government subsidies (which adds to our cost), and give poorer fuel economy. I also don't like the idea that ethanol is produced using precious farmland, water, fertilizer, etc. There is something terribly wrong with the whole idea.
#35 of 472
Re: Mileage Report 41 MPG by ronald711
Jun 22, 2006 (10:37 pm)
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Replying to: jrlnc (Jun 09, 2006 10:55 am)

Well I just bought an automatic sport sedan, it had 46 miles on it when the dealer filled it up, I drove 409 miles at 10.032 gallons to refill it up, that is about 40.7 MPG. I am very much impressed, and the car is not even broken in. and that included some air and city driving. So will see what a few more fill up's yield, but Im very happy. I ran it down to the last bar on the gas gauge, which odly enough once it hit that last segment it was flashing like once a second, which the manual said it would start out slow, but to me that was pretty fast, so I filled up shortly after, but only got 10 gallons in, next time I will drive atleast another 20 to 25 miles once it starts flashing just so I build my comfort zone with the low fuel warning light this car has.
#36 of 472
Re: Ethanol is a ripoff! [jrlnc] by reddroverr
Jun 23, 2006 (8:15 pm)
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Replying to: jrlnc (Jun 22, 2006 6:48 pm)

Jeezuz H, really? Can it be that bad with the small amount blended in? with all the controversy about how much energy it takes to make the ethanol, it does seem like a great red herring.
#37 of 472
Re: Ethanol is a ripoff! [reddroverr] by bob104
Jun 24, 2006 (9:15 am)
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Replying to: reddroverr (Jun 23, 2006 8:15 pm)

I've seen estimates of 1.5%-3% reduction in mpg using E10, 10% ethanol blend, with the higher figure being the one I trust. That's about a 1 mpg loss. Ethanol produces less energy than gasoline, gallon per gallon. Similarly diesel produces about 10% more energy, partly accounting for the higher mpg of diesel cars. E85 seems to produce about a 10-15% reduction in mpg, but, as someone commented, it is necessary to have a flex-fuel vehicle to use it. The lower energy in ethanol is due to the partially oxidized bond that defines it as an alcohol rather than an alkane. Think of it as an alkane/alkene that has already been partly burned.
 
I am not thrilled with ethanol. In Brazil, it means converting rainforest to monoculture sugar cane production. Worldwide it means using food for transportation, much of it unnecessary transportation.
 
Also, ethanol probably costs more energy to produce than it gives off. It's made relatively inexpensive due to massive farm subsidies that politicians are addicted to.
 
Get a small car, drive less and carpool. Get an electric bike. Mine averages 23 mph with moderate pedalling and gets about 2000 mpg. True cost to operate is 3 cents a mile vs. about 45 cents a mile for Yaris. I substitute 3000 miles a year of car travel with my LAFree Sport. The LAFree Lite is very good too.
 
In reporting mpg it's a good idea to fill the tank first oneself, recording the odometer reading, then refilling the tank, noting the gallons used and the miles covered. Several tanksful using this method will give a very accurate report, especially when driving conditions are noted: city/hwy, a/c use, driving style, etc.
Bob
#38 of 472
Re: Ethanol is a ripoff! [bob104] by reddroverr
Jun 24, 2006 (2:35 pm)
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Replying to: bob104 (Jun 24, 2006 9:15 am)

thanks bob104, informative post.
 
Most of the analysis I've seen says that it takes less energy to make ethanol than it uses. Estimates vary quite a bit, though.
 
Bicycles are great if you don't mind taking your life in your hands. In Portland Oregon, realistically, I am not going to be using one outside of summer. Too much rain and cold for me.
 
My biggest hope involves the plug in hybrid, which rumor has it toyota will manufacture a prius with this feature in 2008-9. There are also add-on firms modifying cars to be plug in.
 
We are also supposed to start seeing clean diesel cars in the next couple years as well.
 
At any rate, we have a 56 cent tax on ethanol imports, which seems rather dumb. Better to sent the money to the middle east?
#39 of 472
Re: Mileage Report [jrlnc] by randydriver
Jun 24, 2006 (4:31 pm)
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Replying to: jrlnc (Jun 09, 2006 10:55 am)

I am a Chevrolet Aveo owner and my mileage dropped alot when they change to the summer blend of gas we get...which is ethenol blend. My city mpg went from 31-32 down to 27..and I am a slow driver with a 5-speed. When I am visiting my parents in the east part of the state where they dont use ethenol I get much better mileage. I have tried this 3 times to be sure it wasnt my imagination.
#40 of 472
Re: Ethanol is a ripoff! [reddroverr] by bob104
Jun 25, 2006 (6:36 am)
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Replying to: reddroverr (Jun 24, 2006 2:35 pm)

Yes, Portland is pretty rainy. I don't ride in the rain either, but we don't have much here in San Luis Obispo, CA.
 
There's a great article in a recent Popular Mechanics about 10 energy solutions. One of them is the plug-in hybrid. The bit of technology that helps make this work is the lithium battery. It has about 3 times the capacity of lead-acid and about 50% more than the current standard, nickel metal dihydride. But the efficiency isn't much better overall than gasoline. The advantage is that you can "fill er up" with domestic electricity derived of wind, hydro, solar or, er, nuke. All of them have their own problems and costs. The only free ride is in the empty seats in American cars. That's why I like my 2000 mpg electic-bike. In the future cars that can tow a trailer will not be used to pick up a quart of milk. Vehicles will be tuned to driving needs: ebikes for commuting (2000 mpg-equivalent), small 30-mph electric cars for neighborhood travel (150 mpg-equivalent), efficiently powered conventional and diesel subcompacts (50-60 mpg).
 
Clean diesels do seem to be coming down the pike, lead by Europe's need to clean up their smog. Not sure they'll ever get clean enough for California. I believe the VW Lupo gets up to 80 mpg.
 
NEWS FLASH: The current issue of Popular Mechanics rated four subcompacts on their loop track as follows: Yaris, 37; Honda Fit, 35.8; Nissan Versa, 27.8; Kia Rio, 30.3. Sorry, I'm just reporting here: They preferred the Fit overall.

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