Jan 23, 2007 | Near East expert Ulrich Tilgner reports about current developments in Iran
Ulrich Tilgner, the prominent near east correspondent and director of the ZDF office in Teheran, lectured on January 17, at a well attended Empa Academy gathering in Dubendorf, about „Education, Technology and Economic...
Jan 12, 2007 | On the test bed: How efficient are retrofitted exhaust gas particle filters on diesel motors?
A study conducted by Empa shows that diesel engines with particle filters fitted after manufacture emit about 40 per cent less particulate matter than those without filters. This is, however, significantly less efficient...