1. Coal prices have be come quite volatile, while natural gas prices have been much more stable.
2. The delivered price of coal rose three times faster than inflation over the past 5 years.
3. States with the most dependencies on coal had the highest electric rate increases.
4. US coal mining productivity has declined 20% over the past 10 years.
5. Of course we need to drop coal as soon as possible to avert catastrophic climate change.