Adds massive cargo ships to the game, that function similarly to trains. Also adds deep sea oil, oil platforms, tanker ships, train bridges and other water based content.
The fuel value assigned to crude oil fluid, when necessary to self-power the oil rig, is now 20 megajoules per unit instead of 100 megajoules per unit. The oil rig will consume slightly more of the oil it produces in order to power itself, so the apparent output rate will be reduced.