It is reported that one quarter of all generator failures are fuel related, with 80% of fuel tanks tested considered 'at risk' due to the levels of contamination present it's clear that dirty fuel can have a detrimental effect on your business. As a result of this contaminated fuel and the resulting generator failures, you could be left without back up power in the event of a power failure. Whilst there are a number of factors contributing to the contamination of your stored fuel, contaminants such as sludge and rust found within dirty tanks are a significant issue.