How can I get better gas mileage?

What are some ways to get better gas mileage these days? I know about checking air pressure in my tires, but I've heard there are other ways. What do you know or have you heard?

Here's some info: http://www.wikihow.com/Save-Money-on-Gas

Drive slower, The energy to overcome aerodynamic resistance increases at about the square of speed.

Accelerate slowly, flooring it to get up to the speed quickly wastes a lot of gas.

Coast to a stop. Take your foot off the gas long before stop signs and coast for a while before using the brake. It is illegal but putting your transmission in neutral can allow you to coast farther or perhaps for miles if you are going down hill. If you have power steering or brakes be sure to leave the engine running because with out engine vacuum you may not be able to steer or brake your vehicle. Don't try to coast down long steep hills because your brakes could overheat and fail without engine braking.

Try to time traffic lights. I notice that on one stretch of road I travel with a speed limit of 35 MPH that the lights are timed at 42+ MPH. If I drive 35 I hit almost every red light but if I drive 42-45 I usually hit green lights. I figure In this case I save more gas by not stopping as often than I waste by driving faster.

Only slow as much as necessary for curves. Scrubbing off less speed before turns allows you to keep more momentum. Naturally it is unwise to take curves at unsafe speeds to save gas.

If you have a manual transmission practice 'short shifting.' Short shifting is shifting earlier than you normally do. If you typically shift at 4,000 RPM try shifting at 3,000. You will not accellerate as quicly but you will save gas. Don't shift so early that your engine has to lug; this burns more gas and is hard on the engine. In my sports car if I pretend the redline is at 3,500 instead of 7,000 RPM I gain 3 MPG in city driving and I still drive faster than most people.

Avoid gasahol, adding alcohol to gasoline reduced millege.

This is a great way to get better gas mileage

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I got it! :buy a motorcycle. us motorcyclists laugh at suv's and other big cars.

drive 55mph

Drive at a steady pace instead of going faster and slower. If you are in a Pick-up keep the tail-gate up. Driving a hybrid car will save money and it's better for the environment. That is, if your willing to spend money on more expensive cars(as I do).

Overinflation of the tires
Tune-ups - and don't skip the air filter, breather filter (if you have one) and the PCV valve
Windows up, a/c off
Backroads instead of highway
Shift into neutral and foot off gas on downhills
Heavier engine oil if car is older
Using gps or mapquest to find shortest, not fastest, routes

Also, if you are in a pickup, the tailgate should be DOWN or completely off, NOT UP! The gate resists air flow! Better still is covering the bed entirely, so it's smooth and uniform.

Some additional tips: 1. remove all the heavy junk in your trunk. If you have AAA or
other roadside assistance (like Onstar etc) you do not need the jack, donut tire, etc.
Remove all the junk inside your vehicle that is just 'there' becuase no one cleaned it out. Check your air cleaner (filter), - dirty/clogged filter uses more fuel.
check tire pressure - underinflation decreases m.p.g.
Drive at the indicted speed that signals are set for...most of your fuel goes into accelerating the vehicle... once it is move at a fixed speed on level pavement, it only takes about 25 to 35 h.p. to propel the average car.
Lastly...and this one is a secret the oil companies do not want you to know
one 8 ounce cup of Acetone added to 15 gallons of gasoline increases the miles per gallon by 3 to 6. You must buy pure Acetone, from a hardware store...do not use the nail polish remover acetone - it has proteins added for healthy nails which makes for unhealthy engines.

http://www.Squidoo.com/DriveOnWater describes some Hydro-Conversion kits that allow you to drive using water. Supposingly it can increase your fuel efficiency up to 60%, but I'm thinking you have to actually have some form of mechanic or engineering background to assemble it PROPERLY, no matter how easy they make it sound.

http://www.Squidoo.com/DriveOnWater describes some Hydro-Conversion kits that allow you to drive using water. Supposingly it can increase your fuel efficiency up to 60%, but I'm thinking you have to actually have some form of mechanic or engineering background to assemble it PROPERLY, no matter how easy they make it sound.