Alva Review-Courier -

CHEYENNE, Wyo. (AP) — President Donald Trump says withdrawing from a global climate change agreement will boost the U.S. economy, but existing market forces have had far more of an effect on the fossil fuel industries than climate regulations.

For at least three years now, the coal industry has been reeling from growing competition from natural gas, wind and solar power. Environmental regulations enacted under President Barack Obama haven't helped any but they've played a much smaller role.

Most of those regulations haven't even taken effect.

In March, Trump ordered a review of the Clean Power...