The rouble has fallen to a 16-month low against the dollar, airlines have joined forces with farmers to lobby in Washington so that corn helps power their planes, and growing demand for minerals used in green technology is starting to shake up the geopolitics of the energy world. Mentioned in this podcast:Rouble hits 16-month low as military spending rises and exports fallUS airlines ally with farmers to seek subsidies for corn as jet fuelThe new commodity superpowersThe FT News Briefing is produced by Fiona Symon, Sonja Hutson and Marc Filippino. Additional help from Josh Gabert-Doyon, Monique Mulima, Monica Lopez, Peter Barber, Michael Lello, David da Silva and Gavin Kallmann. Topher Forhecz is the FT’s executive producer. The FT’s global head of audio is Cheryl Brumley. The show’s theme song is by Metaphor Music. Read a transcript of this episode on FT.com Hosted on Acast. See acast.com/privacy for more information.