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The first reveal of Mellor’s Sigma 9 at Busworld 2023 is a significant milestone for the manufacturer. The all-electric, nimble Sigma 9 requires just 60% of the battery power of the average single-deck bus and with two battery options, offers customers choice and flexibility. Distinguished by its narrow width of just 2.35m and lightweight construction, the 60-passenger, Sigma 9 is a linchpin in Mellor’s 6-model Sigma line-up.
