The Mellor Sigma 12: Test Drive

This week, we take you behind the scenes of our test drive of the Mellor Sigma 12 electric bus, developed from a base vehicle supplied by Wisdom Motors and sold in the UK as part of a range of Sigma electric vehicles ranging from 7 to 12 metres before the company entered administration in 2023. See issue 1660 or cbwmagazine.com/ for more.