Lock up your tanks ?

[Alex]

[Michael Rolls]

wonder if it is genuine - although with what it costs to fill the tank nowadays....
Mike

[klondike]

 

Could raise the cost to more than just a tank of fuel though as tanks are usually visible underneath the vehicle.... Just saying.

[Alex]

It's a joke ! looks American to me

[klondike]

It's a joke to you.
It's a joke to me. 

The question remains though is it a joke to the redneck who put it on his car? If it is real of course and not just a Photoshop which is more likely.