Sales-Lentz to deploy Volvo electric buses in Differdange, Luxembourg September 19, 2016 | Europe News Luxembourg-based bus operator, Sales-Lentz, has ordered four electric buses from Sweden-based Volvo, for service in the city of Differdange by the second half of 2017. Volvo will deliver the 7900-seri... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password