As I've driven around I've learned that there are two types of Prius drivers. The one in front of you and the one behind you.
The guy in front of you is the quintessential environmentalist. He is doing everything to protect the planet and minimize his carbon footprint and his impact on his grandchildren's climate. He proudly bought his Prius to have maximum effect while he drives around filling his numerous obligations. And if that wasn't enough he's going to drive at least five miles per hour under the speed limit no matter how many cars are lined up behind him to get maximum gas mileage. And of course this is after he pulls out in front of you. No, me.
The guy behind you is the guy who doesn't give a crap about the environment but cares about what almost everybody on the planet thinks about him and thinks that you should think that he cares about the environment. Keeping up so far? If you have seen a Prius you know it has absolutely nothing to do with style. He's done his bit for Mother Earth and now he just needs to get where he's going...now! He's behind you and no matter how fast you're going he wants to go ten miles per hour faster than you. And he's going to let you know by trying to read the fine print on your license plate.
Of course this is all about me so you know that when I'm driving I get both of them at the same time. Prius purgatory.
