- artikel: Waterstof, waarheen gaat gij [3.42] - IEA-rapport: Oil 2021, Analysis and forecast to 2026 [19.53] - ‘Total stops drilling Suriname well before reaching deeper targets’ [25.43] - Nord Stream 2 vordert, langzaam maar zeker [27.58] - verbluffend boek over duistere oliehandel: The World for Sale [33.01] - vooruitblik [47.18]