[LISTEN] Does petrol have an expiry date?

During an interview on TalkRadio 702, Dr Chris Smith explained it's always better to have 'fresh petrol'.

JOHANNESBURG - By definition, petrol is millions of years old, says Dr Chris Smith.

Asked if it has an expiration date, Smith explains the science behind the substance and what could affect its longevity.

Listen to the audio above for more.

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