According to many of the financial wizards observing and analyzing packaging, steel and aluminum are expiring, although their demise might require another few—or many—decades. Glass continues to survive but not necessarily thrive in the face of the onrush of plastics. Steel food cans maintain their market share but don’t grow, as flexible laminations, paperboard laminations, and plastic bottles and cans erode their growth.
And the dominant aluminum beverage can—more than 100 billion sold annually…