Chicago Tribune: If companies want to continue storing giant mounds of petroleum coke on Chicago's Southeast Side, they soon will have to start doing so indoors.
Responding to months of public outrage about black dust clouds swirling off uncovered piles along the Calumet River, Mayor Rahm Emanuel plans to unveil new regulations Thursday requiring large storage terminals in the city to fully enclose petroleum coke, coal and other bulk materials.
The facilities also will be required to operate dust suppression...