Solaris to supply trolleybuses to Ploiesti, Romania August 6, 2020 | Europe Company News Poland-based Solaris has secured a PLN36 million contract to supply 20 low-floor Solaris Trollino 12 trolleybuses to Ploiești. The vehicles will be delivered by 2022. The 12-metre-long trolle... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password