This is the EcoJet, EasyJet’s green plane of the future. Either EasyJet’s CEO Andrew Harrison has been stealing Giantman’s serum, or his new plane saves so much energy because it’s made for hamsters. The budget airline is aiming to reduce its carbon footprint by 50 per cent by 2015 and reckons this is the aircraft to do it with. In an open letter to airline manufacturers last month, it outlined its wishlist…