For whom though? I think if your product is going to be very expensive because of that you,ll try to find ways (less carbon emissive) to make it cheaper, and for others, who have low emissions already, they get an advantage. Also rich people generally emit much more carbon than poor people.

I’m a little bit tired of the argument, that everything gets expensive, like the money just goes to nirvana, it’s a tax and a tax should steer industries (mostly) to do the right thing (in this case emit less CO2). The money can go directly to people e.g. in the form of a universal basic income.

They emit a lot, but they transport … a very lot. Trucks are higher emitters per comodity.

Still both should be powered by something else like hydrogen (more interesting for ships I guess) or batteries…

And cruise ships should be IMHO taxed so high (the tax should probably directly go to countermeasures), such that only very rich people are able to (not that I grant them the fun, but they should finance this climate disaster in every possible way…)