'Bottletop' technology could slash aviation emissions by a fifth

A team of British researchers reckon they have hit on a way of cutting airline fuel bills by up to a fifth by harnessing the same principle that applies when you blow across the top of a bottle to make a sound.

Speaking to BusinessGreen.com, Dr Duncan Lockerby, from the University of Warwick, who is leading the project, explained that placing tens or even hundreds of thousands of tiny holes in the surface of a plane’s wing should dramatically reduce mid-flight drag, cutting fuel bills and carbon emissions by up to 20 per cent in the process.
Guardian