Airlines lost altitude as the ongoing strength in oil prices raised the prospect of higher fuel costs once again. EasyJet was a big FTSE 100 faller, down 3.1 per cent, or 17p, to 540.4p and ...
Not only that, but emissions at altitude have ... the power to weight ratio means that it will be difficult to scale up to larger aircraft. “With hydrogen as a fuel, there is no physical reason ...