Each week 17 to 20 million tons of coal are produced for use in coal burning generators that supply electricity to most of the continent.
(17 to 20 million tons of coal; are produced; for use in coal burning generators; T:Each week) (coal burning generators; supply; electricity; to most of the continent)
17 to 20 million tons of coal coal burning generators
are produced supply
for use in coal burning generators T:Each week
electricity to most of the continent