Ma ʻEulopa a me ʻAmelika Hui Pū ʻIa a me nā ʻāina ʻē aʻe, ʻoi aku ka nui o ka uhi ʻana o ka wai ma mua o 98% o nā mea hoʻonaninani; ʻOi aku ma mua o 75% o nā ʻāpana OEM automotive he mau uhi wai; 'Oi aku ma mua o 60%. Wahi a kēia ʻikepili conservative manaʻo, ʻo ʻEulopa a me ʻAmelika Hui Pū ʻIa a me nā wahi ʻē aʻe i hoʻopaʻa ʻia i ka wai i ʻoi aku ma mua o 75% o ka ʻoihana pena holoʻokoʻa holoʻokoʻa, ʻo ka uhi ʻana o ka ʻoihana wai ma waena o 65% a me 70%. Wahi a ka ʻikepili wanana o nā keʻena pili, me ka hoʻonui ʻana i ka hoʻohana ʻana o ka hoʻopili ʻana i ka wai, ua wānana ʻia e hiki ke piʻi i ka 20% i loko o ʻelima mau makahiki ka nui o nā uhi wai i Kina. I nā makahiki ʻelima e hiki mai ana, e ulu ana ka hana hoʻoheheʻe wai o Kina ma ka awelika o ka ulu ʻana o ka 23%, a ua wānana ʻia ʻo ka hana ʻana o ka uhi wai ma Kina ma kahi o 2.84 miliona tons i ka makahiki 2018 a hiki i 7 miliona tons ma 2023.

I ka hālāwai hoʻokumu o ka Waterborne Industrial Coating Branch o ka China Coating Industry Association a me ka Green Development Summit Forum of Waterborne Industrial Coating i mālama ʻia ma Dekemaba 2017, ua haʻi ʻo Sun Lianying, ka pelekikena o ka China Coating Industry Association, i nā mea āpau "ʻo ka 13th Five- Hoʻolālā Makahiki no ka ʻoihana uhi, Ua hoʻonohonoho maopopo ʻia ka hoʻolālā hoʻohaʻahaʻa hoʻoheheʻe VOC o ka uhi pena i loko o ke kaʻa, moku, hale kila, ipu, mīkini ʻenekinia, kala kila a me nā ʻoihana ʻoihana ʻē aʻe, pono mākou e hoʻoikaika ikaika i ka uhi pena VOC haʻahaʻa, i waena o ia. ʻO ka hoʻomohala ʻana a me ka hoʻohana ʻana i ka uhi ʻana i ka pena ʻenehana wai kekahi o nā mea nui. E hōʻoia kēia i ka hopena o 2018, ʻo ka hapa o ka haʻahaʻa haʻahaʻa-VOC ʻōmaʻomaʻo ʻōmaʻomaʻo e like me ka mea i hōʻike ʻia ma ka VOC Reduction Action Plan for Key Industries e hiki aku ma mua o 60%.