Calling All Stations with Christian Wolmar, Episode 8

Joined by co-presenter Mark Walker, Christian this week reflects on how public transport provision in Northern Ireland differs from that in Great Britain [1:28], considers a major report on possible sustainable alternatives to fossil fuels in civil aviation [9:36], analyses recent serious rail accidents in the United States of America and Greece [19:50] and renews his critique of the hype over autonomous vehicles [32:42].