How much carbon is produced by the transportation and storage of the carbon that is captured? I want to see their carbon math for the whole process (including

How much carbon is produced by the transportation and storage of the carbon that is captured? I want to see their carbon math for the whole process (including electricity) to prove this is all truly carbon neutral, seems like something that should be front and center on their website but they only vaguely discuss the carbon footprint of the plants. Having a business saying their product is carbon negative when the actual end to end process isn't seems par for the course, especially one with VC backing...