Volvo to supply hybrid buses to Bergkvarabuss, Sweden April 24, 2014 | Europe Company News Sweden-based Volvo Buses has received an order for the supply of 12 Volvo 7900 Hybrid buses to Sweden’s largest privately owned bus operator, Bergkvarabuss, for operations in the city of Karlskr... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password