Alva Review-Courier -

BILLINGS, Mont. (AP) — As the Trump administration rolls back environmental and safety rules for the energy sector, government projections show billions of dollars in savings reaped by companies will come at a steep cost: more premature deaths and illnesses from air pollution, a jump in climate-warming emissions and more severe derailments of trains carrying explosive fuels.

The Associated Press analyzed 11 major rules targeted for repeal or relaxation under Trump, using the administration's own estimates to tally how its actions would boost businesses and harm society.

The AP identified up to...