An example of headlines following a narrative. You have to read way down in the piece to see the real reason

Coronavirus-driven CO2 shortage threatens US food and water supply, officials say

This article is more than 1 year old

Washington state emergency planning document points to difficulties obtaining carbon dioxide gas, essential for water treatment

“As ethanol manufacturers were ramping down because there wasn’t a market for their product, along comes Covid-19, which meant people weren’t driving anywhere”, he added.

This led to plant closures, including among the 50 specialized plants that collect CO2 for the food and beverage market.