Home Current News Companies test first-of-its-kind engine that could revolutionize air travel: ‘The most efficient...NewsCurrent NewsCompanies test first-of-its-kind engine that could revolutionize air travel: ‘The most efficient and sustainable option’June 28, 20242FacebookTwitterPinterestWhatsApp companies test first of its kind engine that could revolutionize air travel the most efficient and sustainable option Source: yahoo.com/news