President Donald Trump on Friday reversed an air pollution regulation introduced during the Biden administration. The rule, which was aimed at reducing emissions from copper smelters, has been ...

Section 112 enables the president to exempt any stationary source of air pollution from any CAA regulation for two years if he or she “determines that the technology to implement such standard is not ...

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WASHINGTON, Oct 24 (Reuters) - U.S. President Donald Trump on Friday reversed a Biden-era air pollution rule that had imposed stricter limits on emissions from copper smelters. The copper rule, ...

1. Copper is essential to America’s energy, defense, and manufacturing sectors. From the electric grid to semiconductors, copper plays a critical role in supporting our modern economy. Maintaining and ...

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Still Bright hopes its chemical process could help replace polluting copper smelters. Demand for copper is surging, as is pollution from its dirty production processes. The founders of one startup, ...