Iron Maiden frontman Bruce Dickinson said this week that he would do all he could to resurrect Sussex-based Astraeus Airlines, which announced on Monday that it had ceased operations. Dickinson captained his very last flight, a Boeing passenger jet from Jeddah, Saudi Arabia to Manchester this week.

Soaring fuel prices, keeping the airline business afloat and making air travel affordable are just some challenges faced by airlines. But see what are two new innovations to reduce consumption. Only the fit will survive.

As the world population crosses the 7 billion mark, sustaining life as we know it is one cause for worry, but how does this rapid growth of the world’s peoples impact the aviation sector?