International airline Swiss will be covering all 12 of its Boeing 777s with a shark-skin-inspired film that can reduce drag and fuel consumption by more than 1 percentSwiss VIEW 2 IMAGES Zero-emissions airliners are still a long way off, but Lufthansa and BASF have developed a way to improve things right now. AeroShark is an adhesive riblet film that immediately reduces fuel consumption, and therefore emissions, from any aircraft. Millions of years of evolution moved the ocean's most feared predators away from perfectly smooth skin. Instead, sharks have very slightly ribbed skin, which reduces drag enough to become an advantage....