Cooking oil could become a new front in the US-China trade war as tensions between the two countries ratchet up. President 
While Trump didn’t specify, the focus is likely to be on used cooking oil, better known as UCO, a waste product generated by households, restaurants and food manufacturers.
UCO can be processed into biofuels, which offer a “drop-in” solution to replace fossil fuels and are becoming increasingly popular amid the push to curb carbon emissions. One such biofuel ...

