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.
Mooney International Corporation The Mooney International Corporation (formerly Mooney Aviation Company, Inc. and the Mooney Aircraft Company) is a Chinese-owned aircraft manufacturer that was founded in 1929 by Albert Mooney and his brother Arthur. The company is based in Kerrville, Texas, United States, and manufactures single-engined piston-powered general aviation aircraft. Mooney International is owned by the Meijing Group and currently markets the M20V Acclaim Ultra and M20U Ovation Ultra. Deliveries of the M20V Acclaim Ultra began in July 2017.