OpEd: Who pays for principle in Trump’s war on lower emissions and trade?

Exhaust emissions from tailpipe [photo: Simone Ramella, 2005, used under Creative Commons 2.0]Last week the Trump administration unveiled a broad drawdown of fuel-economy regulations that had been aimed at cutting emissions from passenger vehicles. In the 978-page proposal, administration officials argued those rules implemented by the Obama administration would create lighter, potentially more fuel-efficient vehicles that would be less...