Bisa kididdigar da kungiyar hadin gwiwar Copper ta kasa da kasa ta fitar, a shekarar 2019, an yi amfani da matsakaicin kilogiram 12.6 na tagulla a kowace mota, wanda ya karu da kashi 14.5% daga kilogiram 11 a shekarar 2016. An samu karuwar amfani da tagulla a cikin motoci musamman saboda ci gaba da sabunta fasahar tuki. , wanda ke bukatar mo...
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