It's True: Gasoline Has an Expiration Date (2023)

2 days ago

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Hollywood often inaccurately depicts cars starting after years of disuse, but in reality, gasoline expires within months.
Gasoline is a mix of hydrocarbons and additives, with ethanol causing issues over time due to water absorption.
Gas expires through oxidation (forming gum-like substances), evaporation (losing volatile components), and water absorption.
Expired gas smells bad, changes color, and can damage engines by clogging fuel systems.
Proper storage involves using full containers, controlled environments, and fuel stabilizers to extend shelf life.

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