Redoubled Efforts is a technology that can be researched at the War Center in Tech Level 4. It costs 600 Food and 200 Nova, and reduces the cost of Ships by 20%. It is available to the Gungans, Royal Naboo, and Trade Federation.
This technology will allow the player to field a more cost-effective navy than their opponent, giving them an important advantage.
"By focusing the development of your navy, this Tech Level 4 upgrade makes all your Shipyard units much cheaper to produce."