Siemens Mobility and SWM complete trials of SiC conductors in Avenio trams, Germany December 3, 2021 | Europe News Siemens Mobility and Stadtwerke München (SWM) have concluded trials of Infineon Technologies’s new silicon carbide (SiC) semiconductor technology on an Avenio tram in Germany. The ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password