Biden tightens air pollution limits for deadly soot | The Hill

Biden tightens air pollution limits for deadly soot  | The Hill: The Biden administration is tightening air pollution restrictions — a move it says will save thousands of lives but is meeting pushback from industry, which argues it will harm the economy.  The decision to tighten the restrictions on pollution from small particles, commonly referred to as soot, comes as a reversal of the Trump administration,…