Synthetic fuels could help low-carbon aviation take off

READERS OF The Economist are a well-travelled lot. Many of them will be aware, perhaps slightly guiltily, that one of the biggest personal contributions to climate change is all that jet-setting. On average, each person on Earth going about their normal business produces the equivalent of five tonnes of CO₂ a year. But a single transatlantic round trip produces the equivalent of about one tonne per passenger even in economy class.