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Many years ago I purchased two jerry cans and filled them with diesel - is the fuel still okay to use?

During the last fuel scare many years ago I purchased two jerry cans and filled them with diesel. The cans have not been opened. Is the diesel in them okay to use? If not how do I dispose of it?

Asked on 15 July 2019 by Dr Keith Beswick

Answered by Keith Moody
While military grade diesel used to last for a long time, modern brews used in high-pressure diesel engines only tend to last for six months to a year before degrading. As for disposal, you'll need to contact your local recycling centre - not all sites can accept it but they may know of the nearest one.
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