english: In most Western countries, gasoline standards are usually set by environmental authorities, but in China such powers rest with huge state-owned oil companies such as China National Petroleum Company (CNPC) and Sinopec.
non_english: Nei paesi occidentali, gli standard per la benzina sono solitamente fissati dalle autorità ambientali, ma in Cina questi poteri sono ancora saldamente in mano ai giganti petroliferi statali come la China National Petroleum Company (CNPC) e la Sinopec.