What's behind Michigan's propane emergency?
Last month, in the midst of the polar vortex, Gov. Rick Snyder declared an energy emergency in the state as propane supplies dropped.
The shortage continues as Michiganders who rely on propane for their heat have to worry about getting propane – and when they do, dealing with major price increases.
What's behind the shortage? And what does it mean for the 9 to 10 percent of Michigan homes that use propane for heat?
Listen to the full interview above.