Questions About Save Gas Mileage

>

John asks…> >

>Does Nitrogen in tires save gas mileage?> >Does Nitrogen in tires >save> >gas> >mileage>?
AND are there any DOWN-sides to it?
> >My husband has a fleet of trucks all over the US & his employees are asking permission to switch the tires to Nitrogen to regulate the tire pressure – therefore saving >gas> & $$ for the company.
Is this correct?
Is this safe?
Are there any negatives?
> > >

> >Jack answers:>

I guess the answer depends on what your husband’s fleet of trucks is doing and how much mileage we’re talking about. Proper tire inflation can reduce gas mileage regardless of what it is filled with. However, unless the nitrogen is free or comparable to running a standard air compressor, you may end up shifting the costs from the truck to the nitrogen tanks used to keep them up.> >I included a link to a great article I read on it. However, note that the author cites that it would generally not be worth it as an individual, it may make some sense depending on the size of the fleet.> >If anything, your husband may want to do some random testing by having some fill up with nitrogen and others use normal air and compare the results. It would be best if the drivers didn’t know which ones were using nitrogen and which were using air.> > >

>

Betty asks…> >

>Do you believe that turning your a/c or heat off helps save gas mileage?> >I always have the same >gas> >mileage>, whether or not I have my a/c or heat on. What do you think?> > >

> >Jack answers:>

MythBusters did an episode testing this theory. It turns out that driving with the windows down wastes more gas than having the A/C on because it creates more drag and makes the car work harder. A/C does eat gas faster though. So, the best way to save gas is to have the windows up and the A/C off altogether.> > >

>

Jenny asks…> >

>How To Save On Gas Mileage or Go Green With American Hybrid Systems?> >Any experimental techniques to >save> on >gas> >mileage> that can be adopted to your existing car? Heard about conversion kits. Where can I learn more about them? Looking to ‘go green’ like the rest of America.> > >

> >Jack answers:>

Toyota & Honda hybrid cars are experimental technologies gaining ground worldwide. The Prius American hybrid car is a home-grown solution and so is GM’s Chevrolet Silverado.> >But for saving gas on your existing car, truck or SUV, the options are:
- Refitting cars for alternative fuel
- Alternative car fuel conversion kits
> >It’s about saving gas by converting your existing car to run on a twin hybrid fuel source.> > >

>

Mary asks…> >

>Does full synthetic save more gas mileage?> >I drive 4 cylinder Toyota 2007 Camry (16000). Does it reallly >save> more >gas> >mileage> if i use full synthetic motor OIL?> > >

> >Jack answers:>

Yup, but when you switch, don’t switch back.> > >

>

Laura asks…> >

>can i speed shift in my 2001 chevy cavalier 4 speed automatic? and will it save me gas mileage?> >on my shifter, it says P,R,N,D,1,2, & 3. i know the 1,2,3 is to be used in bad weather, but when i am driving through town, can i speed shift manually with the 1,2,3? Will it >save> me >gas> >mileage>?> > >

> >Jack answers:>

No it wont save you mileage. In fact it may cost you mileage because it may faster and when necessary. Automatics are smarter than most people.> > > >Powered by Yahoo! Answers>


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