Coca-Cola ( KO -2.36%) is a better buy today than Kraft Heinz ( KHC -2.02%). But the real story is why this is the case.

Factories that make processed foods need lots of heat — and most burn gas to supply it. Companies like Oatly are grappling ...

The plot has thickened in the Justin Trudeau-Heinz ketchup controversy, as consumers with bottles that say "Product of USA" ...