로동신문
The new trolleybuses were subject to news coverage in the Rodong Sinmun, receiving multiple front page headlines subjecting the tests. Kim Jong-un also made visits to the Pyongyang Trolley Bus Factory, with the intention to turn the factory 'into a world-class trolley bus producer'. The first visit in February featured the Chollima-316 trolleybus, while the August visit featued the Chollima-321 trolleybus.