<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo imisebenzi eyinhloko kaVitol isekelwe eGeneva, eHouston, eSingapore naseLondon.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi Imisebenzi eyinhloko yeVitol isekelwe eGeneva, Houston, Singapore naseLondon futhi ngaphezu kwamabhizinisi okuhweba okuluhlaza nemikhiqizo yomhlaba wonke, inkampani inokubakhona okwandayo emakethe yamalahle, igesi yemvelo, amandla, ukukhishwa kwekhabhoni kanye nama-bio-fuels. 