The Solaris Urbino hybrid is equipped with a drive consisting of an electric motor or a motor and a conventional drive. By using this solution, buses manage to reduce fuel consumption by an average of 20 to 30% compared to a diesel vehicle. Furthermore, Solaris' hybrid buses can also be adapted to travel a certain distance completely without emissions. Solaris offers hybrid systems in the serial version. The energy storage unit in Urbino hybrids can be both batteries and supercapacitors.