Podcast: Shell on Unleaded Avgas

At AirVenture this week, Shell executives were making the rounds explaining – at least in general terms – what their plans are to replace leaded 100LL with an unleaded fuel of equivalent performance. In this long-form podcast, Shell’s Rob Midgley hinted that Shell’s aiming for a fuel that could be produced in a larger number of refineries than now make leaded avgas.