Whippet reports reliable performance from Wisdom Sigma buses
Cambridgeshire-based Whippet reports a reliable performance from its Wisdom Sigma 12 buses. The operator has marked two years of zero-emission bus operation with them on its Universal service in Cambridge. The route’s fleet of Sigma 12 buses, built by Chinese manufacturer Wisdom and originally supplied in the UK by Mellor, have clocked up 0.5m miles […]