The full rules of High Frontier 4 all's second module (numbered '1') : Terrawatt & Futures, inclugind Freighters, Mobil factories and Space elevators.
(updated sept 2021 : fix about black card selling from hand + added module 0 specific operations & actions to pannels)
00:00 - Introduction
01:38 - Freighters
10:30 - Promotion operation
13:15 - Freighter fleet & mobile factories
17:24 - Gigawatt & Terawatt thrusters
24:30 - Space elevators
29:10 - final wrapup