one more thought
the third is the nicest and most polite.....
but hey, you can still rub it in their face.....
FEEL FREE TO PASS.....I'M SAVING GAS!
______MPG
then get a erasable marker and write in you mpg each week.
The implied message is ....I'm working at it ....and...sometimes I get better thats why I write it in!!!!
If I had seen
your sticker 3 months ago, I would have flipped you off
But if I saw the mpg #.........I would have had grudging respect and waved. since the # is pretty impressive you might win followers!