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.
Jetta (company) Jetta International is an American original equipment manufacturer (OEM) and designer of computer laptops, mainly operating in the East Coast. The company was established in 1991, and is based in Monmouth Junction, New Jersey, (close to Princeton), where its only manufacturing plant is located.