A local company in Wellington has claimed a technological breakthrough with a process that can produce clean drinking water out of thin air. Watermaster Technologies said its Airwell 2000 technology could alleviate drinking water shortages anywhere in the world. Developed jointly with Canterbury University, the Airwell 2000 could make up tp 20 litres of clean drinking water a day simply by taking in the surronding air, the company said at its products launch.