The Latvian city of Riga has just completed the trials of an electric bus on three of its routes.
The bus, made by Polish company Solaris, went into operation on 12 to 23 March 2016.
Public transport operartor Rīgas satiksme said that the tests showed that it is now focusing on introducing environmentally friendly technologies.
The batteries in the Solaris Urbino Electric 12 buses take about 5-6 hours to charge, following which the bus can travel up to 150 kilometres. Introducing electric buses to its fleet will also lower maintenance costs.