“The least cost way to get to a net-zero society is to take a system view about economy-wide CO2 emissions and where and how aviation fits into that, rather than trying to zero out CO2 emissions sector by sector. It makes sense if you think about it – it’s a whole lot cheaper to manage your CO2 emissions from something that’s sitting on the ground, potentially sitting right above a depleted oil reservoir versus trying to manage something that’s flying around and has to deal with all the safety issues of aviation,” said Lieuwen.
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