UPS Efficient Chest,
as an inserter will take items from the chest even if the box is marked as red,
which is basically scanning all the boxes in reverse.
Electric Boiler, outputs 240 steam per second.
-- Following is editing the original item.
Efficiency module with increased effect.
Fluid System with 2x to 4x of original.
Faster Locomotive with a bigger size wagon.
Better robot speed, base size, battery size, and faster out-of-energy speed.
Faster charging roboport with more charging slots.