You can run it on biofuels. This is how Gates excuses his private jet, conveniently ignoring the possibility of combining biofuel AND comercial flights.
Biofuel does emit around the same carbon output to the atmosphere (compared to storing it). Producing the amount necessary to replace most of petrol requires a ton of crop land, and alternatives means of production are not available quite yet, if ever.
You can run it on biofuels. This is how Gates excuses his private jet, conveniently ignoring the possibility of combining biofuel AND comercial flights.
Some airlines are trying to, and electric on shorter flights.
Biofuel does emit around the same carbon output to the atmosphere (compared to storing it). Producing the amount necessary to replace most of petrol requires a ton of crop land, and alternatives means of production are not available quite yet, if ever.