Gasoline additives

? Ethos gas additive to > mileage? Any one tested this product?

See here: http://community.cartalk.com/posts/list/1002210.page.

And here: http://community.cartalk.com/posts/list/977011.page.

And so on: http://community.cartalk.com/posts/list/672811.page ad nauseum.

Today’s gasolines DO NOT NEED ANY ADDITIVES. You are wasting money by buying them. Most don’t work anyway.