With a sleek profile and long forefoot, Save the Sea, the new Amer 94 by Italy’s Permare Group, looked like other planing superyachts at the 2015 Cannes Yachting Festival where it was launched. But the go-fast superyacht kept a “secret” that differentiated it from any other yacht in its class: three Volvo Penta 1200s connected to Volvo IPS drives. Although the 94 footer is not the first yacht under 100 feet to have the IPS pod system (that honor goes to a U.S.-built Lazarra eight years ago), the Italian supery…