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joela
Guru
| Posts: 1139
| Joined: 03/06
Posted: 05/11/06
10:59 AM
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Anyone use them? AAA apparently tested a bunch of them and found none that gave better gas mileage, issued less pollutants, etc. Best advice to improve gas mileage is just drive less aggressively.
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Posted: 05/12/06
03:43 AM
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i did a long time ago. didn't do a thing 
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wes0826
New User
| Posts: 20
| Joined: 05/06
Posted: 07/07/06
04:34 PM
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The quality of gasoline produced today does not need additives. Maybe 20-30 years ago.......but today it's just a waste of money.
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