The C-8 speedboat can travel up to 50 nautical miles on a single charge and cruises at speeds of 20 knots and 30 knots. The boat can hold 8 people and can sleep 4 in a front cabin. The boat is silent, has no wake, and can be up to 95 percent cheaper to operate than a conventional engine boat due to its lower energy requirement. The idea with Candela is to speed up the transition to fossil fuel-free lakes and oceans. You have to make the best boat you can. Keep reading.