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.
MZ Motorrad- und Zweiradwerk Motorenwerke Zschopau GmbH, former MZ Motorrad- und Zweiradwerk GmbH is a German motorcycle manufacturer located in Zschopau, Saxony. The acronym MZ since 1956 stands for Motorenwerke Zschopau" GmbH (German for Zschopau engine factory). Before Motorradwerk Zschopau" (German for Zschopau motorcycle factory). From 1992 to 1999 the company was called MuZ, an acronym for "Motorrad und Zweiradwerk" (German for motorcycle and two-wheeler factory).