공기 자동차(무공해차) Air car World's First Air-Powered Car: Zero Emissions by Next Summer Taxi Version Of CityCAT Car Zero Pollution Motors (ZPM) US Patent # 5,592,904 US Patent # 6,094,915 US Patent # 6,305171 US Patent # 6,311,486 US Patent # 6,327,858 US Patent # 6,334,435 CityCAT Engine Compressed Air Engine (CAE) Inventor: NEGRE GUY (FR)父; NEGRE CYRIL (FR)子 연료 걱정, 공..