This electric foil surfboard can reach speeds up to 25mph ... Then a silent, electric motor is attached to the end of the foil. It's powered by a lithium-ion battery. More from Tech ...

This motorised hydrofoil surfboard can "fly" above the water at a top speed of 25 mph. It is controlled with a handheld remote and it can be used on still or choppy waters. The eFoil costs a ...