https://www.electricvehiclesresearch.com/tag/260/electric-trains IDTechEx provides independent analysis on the development and application of RFID, Printed Electronics, Photovoltaics and Energy Harvesting en Copyright (C) IDTechEx Ltd Maxwell Technologies, which has been the leader in supercapacitors worldwide, has been overstating its results by improperly recording certain sales through distributors.https://www.idtechex.com/en/research-article/change-of-leadership-of-the-global-market-value-of-supercapacitors/5344?rsst2id=260https://www.idtechex.com/en/research-article/change-of-leadership-of-the-global-market-value-of-supercapacitors/5344?rsst2id=260Mon, 15 Apr 2013 ZZZp.harrop@IDTechEx.com (Dr Peter Harrop)