Come along with The Verge for the second season of Detours. We’ve traveled across the country to find the people, groups, and companies that are solving America’s problems in new and unconventional ways. Check in for new dispatches every Wednesday.

San Francisco's ferries serve over 7 million commuters a year, but they're extremely inefficient when it comes to energy use. Wind+Wing is testing an alternative technology: the company's wing can be attached to boats to create a hybrid system that has the potential to radically reduce fuel use.