Can a pill save you fuel or just another gimmick?

[Warpath]

I recieved the following email:

----------------------------------------

FUEL FREEDOM IS HERE! MPG FUEL CAPS are now available!
Stretch your fuel!
EPA approved.

What are they? Vitamin size capsules you place in your
gas tank before every fill-up.

What will they do? They will:

Increase gas mileage 10%-30%+.
Work in gas, ethanol, diesel and bio-diesel engines.
Work in automobiles, tractor trailers, boats and RV's.

Reduce exhaust and emissions.
Restore lost power.
Increase power.
Increase torque.
Save you money at the pump.
Prevent you from having to spend extra money on
premium fuel.
Increase octane level in fuel.
Not harm your engine.
Comes fully insured and with a 30 day money back
guarantee.

Why? Because it just makes sense.

-----------------------------------------------

Their website is http://globalfuelnow.myffi.biz/

Anyone know or has used this product?

What do you think? Another gimmick?

[Warpath]

I recieved the following email:

----------------------------------------

FUEL FREEDOM IS HERE! MPG FUEL CAPS are now available!
Stretch your fuel!
EPA approved.

What are they? Vitamin size capsules you place in your
gas tank before every fill-up.

What will they do? They will:

Increase gas mileage 10%-30%+.
Work in gas, ethanol, diesel and bio-diesel engines.
Work in automobiles, tractor trailers, boats and RV's.

Reduce exhaust and emissions.
Restore lost power.
Increase power.
Increase torque.
Save you money at the pump.
Prevent you from having to spend extra money on
premium fuel.
Increase octane level in fuel.
Not harm your engine.
Comes fully insured and with a 30 day money back
guarantee.

Why? Because it just makes sense.

-----------------------------------------------

Their website is http://globalfuelnow.myffi.biz/

Anyone know or has used this product?

What do you think? Another gimmick?

[RustyJC]

A gimmick that exists to drive a pyramid marketing scheme. Check out the diesel truck forums.

Rusty

[TXiceman]

I smell SNAKE OIl.....

Ken

[Two Bit]

<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Reduce exhaust and emissions.
Restore lost power.
Increase power.
Increase torque.
Save you money at the pump.
Prevent you from having to spend extra money on
premium fuel.
Increase octane level in fuel.
Not harm your engine. </div></BLOCKQUOTE>

I've been taking vitamins on and off throughout my life and none have ever fixed the above problems... so why would pills for my diesel be any better?