Mayor of Hannover Stefan Schostok is interested in learning more about the award winning HydraGEN technology at HANNOVER MESSE By dynaCERT inc.April 1, 20190 Back to Home Mayor of Hannover Stefan Schostok is interested in learning more about the award winning HydraGEN technology. dynaCERT's VP of Global Sales Enrico Schlaepfer is explaining the environmental impact and economical advantages @ HANNOVER MESSE. #dynaCERT #diesel #HM19 #HydraGEN Back to Home