20 April 2016 Horizon Prize - Engine Retrofit for Clean Air Identifier: H2020-EngineRetrofitPrize-2016Pillar: Societal ChallengesPlanned Opening Date: Deadline: Tue, 12 Sep 2017 17:00:00 (Brussels local time) Air pollution Health € Exhaust gas NOx Automobile Diesel engine Particulate matter Gasoline Read more about Horizon Prize - Engine Retrofit for Clean Air