How Long Can Diesel Be Stored
So, how do you keep your diesel from turning into algae soup? First, storage temperature matters more than you think. Heat speeds up chemical reactions, so cool is king. A dark, climate-controlled shed is a five-star hotel for diesel. A metal drum baking in the summer sun is a prison riot waiting to happen.
Second, air is your enemy. Diesel oxidizes when exposed to oxygen, creating dark, tarry deposits. If you leave a partially full container uncapped, you’re basically offering your fuel an oxygen spa day. The result? Varnish. That’s right, your liquid can turn into a sticky, lacquer-like coating. It’s the fuel equivalent of watching paint dry, but in reverse.
Are Diesel Generators Safer than Gas Generators? - H&C Diesel Generator