 He was re-elected in the 2010 election.Federley was elected Member of the European Parliament in the elections held on 25 May 2014, defeating the incumbent Center Party MEP, Kent Johansson.In parliament, he has taken seats as ordinary member of the Committee on Industry, Research and Energy (ITRE) and Committee of inquiry into Emission Measurements in the Automotive Sector (EMIS); on ITRE, he serves as coordinator for ALDE.