Sweden has a national framework with low emission zones in 8 cities. These LEZ only affect lorries and buses. The only exemption to this national framework is Stockholm that will implement a LEZ for cars 1 January 2020. 

There are also urban road tolling in two cities.

The low emission zone framework means that only the location varies for each city. The congestion road tolling are through a national scheme and very similar, but not identical.