A cute little plasma pump and a cute little plasma fluid wagon!
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Trains are great, but what if they could do even more?
Things related to oil and other fluids.
Changes to power production and distribution.
Updating to 2.1?
The newest version is 2.1 compatible, has new graphics and a couple bugfixes thanks to the base games new train connectors!