These appear to be old trucks. In the brochure there is a link to a YT video which then links to a playlist. This playlist contains the following video "Volvo Trucks - Say hello to the future - Volvo FL Electric & Volvo FE Electric" [1] which was posted on May 14 2018.
[1] https://www.youtube.com/watch?v=iIIhkqRc-_Q