Adds massive cargo ships to the game, that function similarly to trains. Also adds tanker ships, train bridges. NOTE: In 2.1, You Must Install Oil Rigs Separately!
When used with Minimal Electric Rails, the following error occurs, so please consider adding “invisible_rail.next_upgrade = nil”.
Error while running setup for entity prototype "invisible-rail" (straight-rail): Entity must be minable when next_upgrade is set. (was straight-rail-minimal)
