BILLINGS, Mont. (AP) — A Navajo tribe-owned company bid $186,000 to lease 167 million tons of coal on federal lands in southeastern Montana on Monday in the biggest U.S. coal sale in more than a decade.

The offer from the Navajo Transitional Energy Co . (NTEC) equates to one-tenth of a penny per ton, underscoring coal's diminished value even as President Donald Trump pushes to mine and burn more of the heavily polluting fuel.

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