Justin and Matt ponder why tennis superstar Rafa Nadal has bought a team in the brand new international electric powerboat series 'E1', discuss the merits of X Shore's all-electric dayboat – the Eelex 8000, and pore over the implications of electric foiling boat manufacturer Candela's partnership with electric car manufacturer Polestar.

Check out the Kite Ship website for more info about alternative marine propulsion systems.