As early as Friday afternoon, Karlstad's upgraded salt trucks started rolling.

- They go out at half past three today, says Christer Svensson, who is responsible for winter road maintenance in Karlstad municipality.

The upgrade of the new salt trucks consists, among other things, of digital technology, which means that you do not have to control the salt spread manually.

In the clip above, street engineer Adam Pettersson explains how the new salt spreaders will improve both slip prevention and the environment.