According to Blandine Ferrier, regional officer of environmental protection at ICAO, about $3.2 billion is needed for all the airlines in the world to reach a 55% usage of environmentally clean jet fuel.
As the official noted, personnel play a key role in this process, and the 55% mark in bioethanol production is going to be reached with their help. Of course, this would require huge support and a lot of investment. The ICAO estimates that $3.2 billion is needed to scale up production and personnel training.
In this regard, the ICAO requires international financial organizations to examine different mechanisms...