Green Biz, NewsAviation’s evolution: Fuel cells, 3D-printed planes and beyondCompanies such as Airbus, Boeing and easyJet rethink air travel’s environmental impacts. https://sustainable-future.org/wp-content/uploads/2024/06/Untitled-design-117-300x94.png 0 0 https://sustainable-future.org/wp-content/uploads/2024/06/Untitled-design-117-300x94.png 2017-03-28 08:30:002017-03-28 08:30:00Aviation’s evolution: Fuel cells, 3D-printed planes and beyond