Hydrogen, e-fuels, biofuels, or electricity? At the second talk in the ‘Let’s talk business’ series, Olaf Mußhoff, Director of Automechanika Frankfurt, moderated a discussion in which international companies from the automotive industry talked with manufacturers of alternative fuels and industry associations about which fuels were suitable for various forms of mobility. Participants included Pierre Olivier Calendini, Chief Representative of the Aramco Fuel Research Center, Frank Müller, Director of the Capital City Office of the German Federal Association for eMobility (BEM e.V.), Dr. Isabel Kundler, Project Coordinator at Dechema e.V., Alain Mathuren, Communication Director at FuelsEurope, Mark Freymüller, CEO of Hyundai Hydrogen Mobility, and Dr. Axel Koblitz, Managing Director of the German Federation for Motor Trades and Repairs (ZDK).