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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

Fuel Quality

To help ensure the quality of fuels offered for sale, the Department evaluates petroleum products such as gasoline, diesel fuel, kerosene and propane. For example, inspectors may analyze gasoline's octane level, alcohol type and quantity, vapor pressure and distillation points to determine if the fuel sample meets accepted specifications. These inspections help prevent consumers from buying substandard fuels.

Motor Fuel Dispenser Information for Businesses:

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