The arguement for renewables based on volatility of fossil fuel prices is a good one. But this is the first I’ve heard of volatility of coal prices. One would expect that as coal becomes less and less welcome as an energy source, its price would decrease in an attempt to find buyers. If this is not occurring, then we can rejoice that market forces are helping spell the end of coal as an energy source.

Some interesting information on Minnesota’s energy policies, and this:
“Minnesota has enjoyed some lucky breaks, notably a fleeting bipartisan moment in 2007 when the Republican Gov. Tim Pawlenty proposed far-reaching energy overhauls — including the renewable energy and carbon-emissions standards — that legislators in both parties readily voted into law.