Alternatively, maybe in an era of climate change, there could be an incentive to use the extra to run processes like carbon capture. If carbon credits became a

Alternatively, maybe in an era of climate change, there could be an incentive to use the extra to run processes like carbon capture. If carbon credits became a thing in a global economy, I could see some companies in a cap-and-trade scenario use that as a convenient way to offset their total footprint.