[Q]

Daynarr you are certainly right about these two points but
1.) When you check the log and see that e.g. only five items have been fished construction Last turn and you have 20 empty construction queues, then 15 must have been empty the Last turn.
2.) Your modification sure did make a big improvement but even with your modification pack 1.01 I see many empty construction queues in Earth Alliance, Sergetti and Darlok when they have several 10000 resource points left in all three catogeries, that can't be stored and therefore are wasted. This occurs only later in them game, after about 100 turns.

Tampa-Gamer you might very well be right, that the AI considers only a limited number of lines in the construction list per turn. This would explain, why in the early game the empty construction queues are not so evident than in the later game, where you have much more resources to spend.