The food giant Calbee said shortages of naphtha, a crude-oil derivative used in inks, were forcing it to switch to black-and-white packaging for its salty products.
The Iran war has wreaked havoc on global supply chains, caused a spike in oil prices and scrambled international trade.
Now it is coming for potato chips.
The Japanese food giant Calbee said on Tuesday that it would temporarily abandon its brightly c... [1414 chars]