I passed a gas station yesterday that was advertising a sale on Nestle and Wonka candy. Notice something wrong with the sign? Wait, scratch that. Notice TWO things wrong with the sign?
Double fail.
To be honest, I’m not too surprised a company whose name is a misspelling of the word “maverick” would produce this double whammy.
Grammaniac 
Here in CT we have to pay over $4 for a gallon of gas. At least it’s a bit cheaper where you are.
Oh, you know those gas station people, they have better things to do with their time than spell! :-p
By the way, gas where I live (Galway, Ireland) costs about $12 a gallon.
I was about to say “ouch” when I read Melanie’s comment, and then I read yours–WOW!
New Zealand; US $6.60 gal, (well 4 litres).