Pa October 15, gulu lachitatu la Toppi kupanga lipoti la 2021. Malinga ndi lipotilo, mu gulu lachitatu la 201, dera la migodi la Rio Tinto la Pilbara linatumiza matani 83.4 miliyoni achitsulo, kuwonjezeka kwa 9% kuchokera mwezi wapitawu ndi Kuwonjezeka kwa 2% mwa awiriwo.Rio Tinto adawonetsa mu lipotilo kuti chifukwa cha kukhudzidwa kwa kayendetsedwe ka ma freckles, ntchito zosinthira mphamvu za brownfield komanso kuchedwa kwa nthawi ya 202, kuchuluka kwa chitsulo mumgodi wa Pilbara mu gawo lachitatu kunali 833 biliyoni, kutsika kwabwino kwa 4% ndi kuwonjezeka kwa mwezi ndi mwezi ndi 10%.
Kuphatikiza apo, chifukwa cha Rio Tinto, chifukwa cha kukhudzidwa kwamalingaliro ku Western Australia, Kuddedley Valley Brownfield Project ndi Lobo River Green Brownfield Capacity Replacement Project yachedwa pang'ono.Ntchito yotumiza chitsulo kudera la migodi ya Pilbara ku Canada mu 2021 idzakhala 320 miliyoni.Matani ~ 320 miliyoni matani.Cholinga cha ma briquette achitsulo aku Canada ndi ma briquette achitsulo cha ufa wabwino nthawi yomweyo amafika matani 950 mpaka matani 1050 (ganizirani matani 1050 mpaka matani 1200).