The Clean Sky joint technology initiative was launched in Europe. The JTI, a EUR 1.6 billion public-private partnership, aims to make aircraft cleaner and more efficient. It will select technologies for development between 2008 and 2010, leading to full-scale demonstrations between 2013 and 2014.
Last summer the European Commission said airline manufacturers should aim for a 40 percent cut in CO2 as well as a 60 percent cut in Nitrogen Oxide emissions.