In which city is the headquarters of the manufacturer of the engine used in the 1997 Rinspeed Mono Ego?
Hyundai Hyundai Group (Hangul:  ; Hanja:  , ] ) is a multinational chaebol (conglomerate) headquartered in Seoul, South Korea. It was founded by Chung Ju-yung in 1947 as a construction firm and Chung was directly in control of the company until his death in 2001.
Zama Group Zama Group is a family-held German-owned company and a manufacturer of diaphragm carburetors, oil pumps and further mechanical precision engine components. Their Headquarters are in Hong Kong, China. Zama supplies mainly to original equipment manufacturers (OEMs) of gasoline-powered outdoor tools, e.g. Stihl, Husqvarna or Yamabiko and claims itself to be the technology leader in their industry.