![SwissSolarBoat Renewable Energy Foiler Design](https://sumtozero.com/wp-content/uploads/2024/06/SwissSolarBoatREF01.png)
SumToZero sponsor of the innovative Swiss Solar Boat team
The design of REF – Renewable Energy Foiler – has now been revealed by Swiss Solar Boat, and SumToZero is extremely proud to be part of
![AC Sailing](https://sumtozero.com/wp-content/uploads/2024/05/ACSailing.png)
AC Sailing game powered by Gomboc
SumToZero is excited to be partnering with the America’s Cup in the recently recently released AC Sailing game, powered by Gomboc. America’s Cup has also
![EV-Maritime-VM200](https://sumtozero.com/wp-content/uploads/2023/12/EV-Maritime-EVM200-Commuter-Class-electric-ferry-Auckland-evening-scaled.jpg)
EV Maritime 200-pax electric fast ferries
We’re excited to share that the Auckland based EV Maritime is now progressing well with the build of two identical 200-pax EVM200 electric fast ferries.
![Koch Finot Conq](https://sumtozero.com/wp-content/uploads/2023/12/KochFinotConq.png)
Remarkable successes for Koch-Finot-Conq at the Transat Jacques Vabre
We would like to salute Koch-Finot-Conq team’s impressive podium at the 16th edition of the Transat Jacques Vabre. Sam Goodchild and Antoine Koch finish 3rd,
![ZeFF simulation with Gomboc](https://sumtozero.com/wp-content/uploads/2023/11/ZeFF_Gomboc.png)
Zero emission Fast Ferry hydrofoil concept “ZeFF”
The new full flight hydrofoil concept “ZeFF” developed by LMG Marin France would be able to carry 180 passengers flying at high-speed with electric propulsion.
![PersicoCat72](https://sumtozero.com/wp-content/uploads/2023/06/Skimming-performance-foiling-for-fast-cruise-scaled.jpg)
Persico Cat 72′ flying system design
Gomboc Designer is the simulation software used to develop the flying system of the new high performance Persico catamaran designed by Morrelli and Melvin. The