The European Commission invites applications to the ‘Horizon Prize for the Cleanest Engine of the Future’. The prize not only aims at improving air quality, but also at contributing to the greenhouse gas emissions reduction targets agreed at COP21, as well as to increase energy efficiency. The contest is open to all legal entities (i.e. natural or legal persons) or groups of legal entities. The total prize amount is €3.5 million. The deadline for registration is 20 May 2019 and the closing date for submission is 20 August 2019. Find the contest rules