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Will sustainable aviation fuels take off?
Sustainable aviation fuels work, but can they be made in sufficient quantity to replace fossil fuels?
According to forecasts from both Airbus and Boeing, the global airliner fleet is expected to more than double over the next two decades, as the middle classes in countries like India and China expand, and demand for air travel increases. In a specially approved test flight last year, Virgin Atlantic flew a Boeing 787 from London to New York using fuel exclusively produced from waste fats and plant sugars. This could produce potentially limitless supplies of fuel, but in order to be sustainable would require large quantities of renewable electricity, as well as a substantial increase in carbon capture and storage.
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