An exhaust control system for a power source is disclosed. The exhaust
control system includes a navigation tool and a processor. The navigation
tool is configured to detect a geographical location of a power source.
The processor is configured to compare the geographical location of the
power source with fuel-location data stored in a database. The exhaust
control system is configured to modify, activate, or deactivate at least
one engine control system, or activate or deactivate at least one power
source warning system, based on a result of comparing the geographical
location of the power source with the fuel-location data.