“ The most recent solar power plant to go online in the UAE is generating electricity at three cents per kwh , which is half of what you can achieve today by burning natural gas ” and peak efficiency . Airbus brings the knowledge on how to integrate these technologies into the airplane . “ Building is relatively easy . For example , in the air mobility , air taxi market we ’ re seeing more than 50 companies working on concepts , but I don ’ t believe any more than a handful of these will ever succeed in certifying vehicles as safe for flight in the urban environment .”