Most countries fine people for speeding. Sweden likes to do things differently.
In 2010, Kevin Richardson entered into the Fun Theory Competition with a concept that rewards people when they adhere to the speed limit. It identifies cars driving within the speed limit at certain checkpoints and automatically enters them into a lottery. So every now and then, people get money for following the rules.
This concept was implemented for testing in Sweden, and it turned out to be pretty effective. Check it out: