<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu Mabasa makuru aVitol akavakirwa muGeneva, Houston, Singapore neLondon.  <response>: Zvechokwadi, shanduro yakaoma zvikuru yemutsara uyu ndeyekuti Mabasa makuru eVitol anowanikwa muGeneva, Houston, Singapore neLondon uye kuwedzera kumabhizimisi epasi rose ekutengesa mafuta uye zvigadzirwa, kambani ine huwandu huri kukura mumatombo, gasi rechisikigo, simba, carbon emissions uye bio-fuels misika. 