My mistake: the starting amount of CO2 is low by a factor of 1000, and therefore fuel costs are around $10B of the $80B industry. That's in line with my initia

My mistake: the starting amount of CO2 is low by a factor of 1000, and therefore fuel costs are around $10B of the $80B industry. That's in line with my initial expectations, and cutting fuel costs by even, say, 30% could be a big win.