By Ali Lyon Hydrogen power firm AFC Energy has inked a landmark supply deal with a German manufacturer that investors will hope will jolt the firm back into life after three years of stark decline. The Aim-listed green energy specialist, which makes fuel cell technology used in EV charging and data centres, signed the multi-year agreement with Zollner Elektronik that will see the German firm manufacture take responsibility for much of the manufacturing process. This will include wiring and looms, electrical panel and boards, stack integration and module factory acceptance testing, the firms sa…