A new Malaysian automaker is poised to challenge the country's 'national car' producers Proton and Perodua, which have suffered mixed fortunes over recent years. Unlike its established rivals, Naza is not state-assisted. Instead it's an entrepreneurial business that has grown from humble origins as an importer and retailer of used cars, starting in 1975. But in the past few years Naza has taken a fast-track to growth that has involved taking a very innovative approach, writes Mark Bursa.