Okay, now that I've looked back it's only Convoy that gave-up. The reason I misinterpreted is because Convoy was in the lead, and had hundreds of vehicles on the road; by giving-up, he stopped traffic for all AIs, so they couldn't compete. NoCAB did continue to upgrade their lines, but couldn't generate the revenue growth they had previously.
In the save I have attached, Convoy was matching me, and NoCAB 2 was on a steady growth. Then Convoy stopped replacing vehicles, and stopped spending money - he had 7 million in the bank as of this save, and a ton of older vehicles running.
Here is a screenshot and save game from 1970. Note that the large dip in my profits (blue) is from the recession. Could this have done something to Convoy?
Thanks for the save game,
It could very well have been that the cities were already saturated and that would be a reason for Convoy to stop expanding. Remember that Convoy doesn't handle any connections between industries (yet?). It's spectacular to see how well Convoy handles cities and towns
I would like to advise you however not to use two of the same AIs in a map, in almost all cases the AIs will select the same industries / towns to server and will effectively compete each other to bankruptcy. I think each AI performs best on its own against other AIs / humans.
That's great advice, but there are only so many AIs available for download. I had Admiral AI and PAX in the game I posted, but neither could compete. To be hones, PAX sucks unless you give it tons of seed money, and Admiral blows all it's money trying to do too many things at the start (several abandoned stations and construction attempts, including several train lines), and then always defaults to road vehicles once all the money is blown.
Do you know of any other AI worth my time? If so, how do you install them?
I suppose it would benefit me if I limited the number of AI and assigned them explicitly.