I’m new to the forums so I don’t know if this has been suggested and I also know this game is still in early development but I was thinking what if (when the tycoon part gets added) there could be government contracts to design military vehicles like trucks and tanks, or just tank or plane engines. And it could include some system where it is a contest and the company with the best design gets picked and gets funding, and the competitors are either online players or A.I companies.
Not to destroy your hopes and dreams but tanks, (heavy) trucks and planes are not supported by the game.
While heavy vehicles are out, there are plenty of choices when it comes to fleet contracts in general that fit within the scope of the game.
Police cars, post vans, taxicabs and rental fleets being a few examples.
There was a thread a long time ago on the subject where Andy said they would look into it.
http://www.automationgame.com/phpBB3/viewtopic.php?f=14&t=4949&hilit=fleet+contracts
I just thought it might have been a good idea. Maybe not designing the whole tank but designing an engine for one.