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They're only 15% more likely to kill their occupants than the average family sedan :D |
It's something of a cultural confound. If someone has the cash to want and afford an SUV, they're probably willing to spend more on gas too. So, the people who get the small efficient cars, will want to get the most out of them, but unfortunately, save less gas by driving efficiently compared to those with more inefficient cars And they drive those beasts because they don't care about saving gas/money in the first place. Diminishing returns I suppose.
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Suppose someone drives 10000 miles. * Going from 12mpg to 14mpg (2mpg improvement) saves 120 gallons. * Going from 24mpg to 28mpg (4mpg improvement) saves 60 gallons. * Going from 36mpg to 42mpg (6mpg improvement) saves 40 gallons. If you start with a compact at 36mpg and want to save the same 120 gallons over 10000 miles, you need to hit 63mpg. |
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Lets just say a lot more. :D
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It actually does look more obvious if you invert the units, for this example lets convert the MPGs to gallons/10000miles (just divide 10000 by the mpg number):
* Going from 833g/10kmi to 714g/10kmi (2mpg improvement) saves ~120 gallons. * Going from 417g/10kmi to 357g/10kmi (4mpg improvement) saves ~60 gallons. * Going from 278g/10kmi (36mpg) to 238g/10kmi (6mpg improvement) saves ~40 gallons. Since we have a common denominator, life is easy. 278g-120g = 158g, 10000/158 = 63mpg. Where did I get 84mpg from?!? |
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guess I will have to start driving it again:D Lets see 10k in my truck = 769 gallons @ 13mpg 10k in my car = 384 gallons @ 26mpg Total gallons of gas saved by parking my truck and driving the car =385 I am not trying to discourage anyone here, I am happy to hear about any person who tries to save gas, no matter what they drive. |
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When I figure out the garage thing (haven't even looked at it yet), I'll enter my log data from the Moose. Should be interesting to see how much higher it can go when it's fully tuned and summer arrives. 15 is my goal and if I reach it I may shoot for 17 or more. Then again there has to be a ceiling on a 5600lb vehicle which has the aerodynamics of a Zenith console television set.
(did find a 1996 3-cylinder Metro for sale near me on eBay...$280 so far but hasn't met reserve...wish me luck...and if it doesn't run I'll put it in the back of the Moose and haul it home LOL) |
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kps-
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Why is there a problem with smaller segments :confused: ? For each entry, the user is either above or below the EPA combined MPG. If user travels X miles, the EPA MPG would predict Y gallons needed to cover those miles. If you subtract the actual gallons from the "Y" gallons predicted, you get the gallons saved. If the gallons saved is negative, then you are above the EPA :( . CarloSW2 |
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