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Fuel economy dips on new MustangFuel economy dips on new Mustang

2015 Ford Mustang mileage drops slightly, per EPA estimates.



Jun 23, 2013 11:27AM
Ok so article is about myths. What about some tips? I was taught by my father to let off on the gas as soon as a traffic light turns yellow and coast up to the stop. I see drivers all the time racing past and around me to get to the red light as soon as possible. What a waste! Even when a light you are stopped at turns green I see drivers floor it when there is a red light only 100 yards ahead.

They are not only wasting gas but wearing out their brakes by the constant need for hard breaking at every light. I let off the gas when I see a stop ahead and coast up often not even needing to brake and get to continue through on a green light while maintaining whatever momentum I had thus saving gas as well.
How dumb some people are? No common sense.......
Jun 23, 2013 10:18AM
If # 10 is correct, which I know it is not, I am filing a lawsuit against all of the gas stations for stealing gas from me that I have paid for. I am also suing the gas pump manufacturers for selling a product that is purposely designed to steal gasoline from unsuspecting people. Who would like to join in on the class action suit?
Jun 15, 2013 3:21PM
The lowered tailgate on pickups was a Discovery Channel "Mythbuster" project segment several years ago.  With the testing protocols Jamie and company did, the particular pickup truck model they tested did, indeed, show that a lowered tailgate gave worse fuel mileage.  At the end of the segment, it was explained about the aerodynamics differences the tailgate plays in both positions.

Kudos to article writer Doug Newcomb and the online editor for this MSN article.  It's nice when a sensible article is published on MSN Autos . . . as many of us have seen over the months, MSN has been prone to publish articles with questionable sensibilities.
Jun 23, 2013 11:20AM
I bought a car in l993, it got 32 mpg back then, now they brag about getting 28 mpg like its something fantastic or something. European vehicles are getting 65 mpg and more. What happened to the inventor of the car that he drove from New York to La on water, just water? I'm sure he was bought out or threatened, can't make money like you can with gasoline.. I want more from my country and manufacturers of vehicles here, more mpg, less dependence on oil. Americans can have a few more bucks in their pockets if these people would come clean for a change.  I'm sure  the vehicles made today could get at least 70 to 100 mpg. Wake up peopleBitch a little or a lot!
Jun 23, 2013 10:34AM
Some additives such as fuel injection cleaner do help, but the real way to save gas is very hard to achieve for the average American motorist because they have a heavy foot and like to speed and accelerate rapidly to the next red light or stop sign. Drivers under age 40 have no concept of coasting or gradual acceleration.  Keeping engine RPM's below 2000 on most vehicles will increase gas mileage 25% on average, but how many motorists on the highway do that until they see a cop with radar?
Jun 16, 2013 7:11PM
#4 and #9 are actually true. Especially in older cars manual transmission models get better MPG. If you don't believe it go look at EPA estimates for the same car in both versions. For #9, as a car gets older it can loose compression, ultimately robbing power thus wasting gas. Maybe the editor should do some more researcb .
Jun 15, 2013 12:14PM
#10 is a lie. If this were the case it would have to siphon is back out of the tank. Gas does not vaporize this quickly. I can sometime put 2 gallons more depending on the car I am driving.
Jun 15, 2013 7:38AM

Re: #5... a dirty air filter won't affect economy... DISPUTED (especially at open throttle).

   Certainly, modern sensors and computing power can respond to slight additional restriction, and deliver a proper air/fuel ratio.  And every modern engine uses some form of resonant airbox tuning to flatten divots in the open-intake torque curve, so the intake is already semi-closed. Yet the engine still must "suck" harder against that constant, if slight, additional intake restriction to fill its cylinders. 

 There can be no free lunch.  Increased intake restriction causes additional pumping losses, i.e. it takes just a little more oomph to turn the cranktrain over against that incrementally tiny greater friction.   

Jun 17, 2013 3:20AM
Even nowadays, a manual transmission will always get better gas mileage as well as power delivery.  this is because a automatic transmission loses a percentage of power through the torque converter.
Jun 22, 2013 4:31AM
I disagree with the cruise control "myth."  From my Mustang GT's to my Escort and Sentra daily drivers, up to my F150, I get better gas mileage from using the onboard computer AND doing the math to double check the numbers than when I control the throttle.  That my friends is a fact.
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