Cathay Pacific will become one of the first airlines to switch to cleaner fuels on an industrial scale, and aims to slash emissions on some of its longest flights by 80 per cent within two years.Cathay Pacific Airways has pledged a bold project to use biofuels to slash emissions on some of its longest flights by 80 per cent within two years, becoming one of the first airlines in the world to switch to cleaner jet fuels on an industrial scale.Instead of relying on carbon credits to offset emissions, Hong Kong’s carrier will place itself among only a handful of airlines backing biofuels to cut the amount of greenhouse gases its planes pump into the Earth’s atmosphere.Edward Wong