USGS: Half of Coal runs out in 35 years, not 250
When the USGS data was first compiled, in 2013, Powder River Basin coal was selling for a ton, resulting in about 23 billion tons being designated as economicallyrecoverable. With coal prices down to a ton, the reserve estimate has plummeted to just 16 billion tons, Haacke said. That's equivalent to 40 years at the current ...