Steam Hub Efficiency Upgrade (Technology)

Steam Hub Efficiency Upgrade is one of the Technologies in Frostpunk.

Summary
Steam Hubs will burn 33% less Coal. This means it reduces the fuel cost of Steam Hubs to 2 Coal per hour at 1 Range, and 4 Coal per hour at 2 Range.

Cost: 50 Wood, 30 Steel

Research time varies by difficulty. See the Workshop for ways to increase your research rate.