Removes electricity, with new burner buildings instead. Better fuels make buildings run faster.
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
New Ores and resources as well as machines.
Furnaces, assembling machines, production chains.
Changes to power production and distribution.
Inserters keep on running without having any fuel in them. They do pickup fuel when they have, but they run without.