Also, I think the biggest flaw that I see is maybe in the statistics themselves. I am not sure what area you are from, however, I know that the majority of energy is not created at coal emissions plants where I am from. I think maybe 2% of our electricity comes from coal, and the rest produce very little, if any CO2. So maybe the people calculating for the polystyrene assumed this. I do know that people will try a lot of tricky things like that in order to make their numbers seems lower. However, I do not know who did the calculations for the polystyrene. I also, think that maybe your numbers are off, as I would assume some of them would be much lower. However, I hope my thoughts will spark something that will help. (Can you maybe get more of these boxes out of a sheet of cardboard, because that seems like a lot of wasted cardboard to me).