The Chinese government has said it is launching an investigation into allegations that fuel tankers have been used to transport cooking oil after carrying toxic chemicals without being cleaned properly between loads.
The controversy has spread online as social media users express concerns about potential food contamination.
Tankers used for transporting fuel were found to be carrying food products, like cooking oil and syrup, and were not decontaminated correctly, according to state-run Beijing News.
Transporting cooking oil in contaminated fuel trucks was said to have been so widespread it was considered an “open secret” in the industry, according to one driver quoted by the newspaper.
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