Airbus and DLR testing fuel cell technology to cut aircraft pollution and noise emissions

Airbus and DLR testing fuel cell technology to cut aircraft pollution and noise emissions: "The goals of the Advisory Council for Aeronautics Research in Europe (ACARE) to reduce CO2 emissions by 50 percent, NOx emissions by 80 percent and noise cut by 50 percent by 2020 has seen aircraft manufacturers and airlines looking at alternative fuels such as biofuel."