The article also doesn't mention all the diesel fuel used by tractors and harvesters during cultivation as well as trucks to move the harvested crop to the elev

The article also doesn't mention all the diesel fuel used by tractors and harvesters during cultivation as well as trucks to move the harvested crop to the elevator and then to wherever it needs to go to be consumed. Then again most of the crops people are talking about doing vertically are things that are planted and harvested mostly by hand, so maybe that's not such an oversight.