Zochokera ku Californiawopanga simenti Brimstone mapulanikuti apange aluminiyamu ya US smelting-grade pofika chaka cha 2030. Potero kuchepetsa kudalira kwa US pa alumina ndi bauxite ochokera kunja. Monga gawo la njira yake yopangira simenti ya decarbonization, simenti ya portland ndi axiliary cementing tious (SCM) amapangidwanso ngati zopangira.

Brimstone $8.7 miliyoni mwa $189 miliyoni muzopereka za feduro kuchokera ku dipatimenti ya Mphamvu. Adzayamba ntchito zoyeserera mu 2025, ndipo akufuna kutsegula $ 378 miliyonimalo owonetsera zamalonda mu2030, limbitsani njira zoperekera alumina zapakhomo ndikupanga ntchito.