The image has changed since I commented on it.
That's one of the problems with the internet, things can change when you aren't looking and it is hard to prove what used to be there.
And 800 lbs is too low. A little more than three times the weight of fuel will be released as carbon dioxide. For 2400 lbs of fuel I figure 7460 lbs of carbon dioxide if you are burning it completely.
When you see something that seems stupid, make a print screen and paste it into word or something then you can use it later if necessary.