Emissions from a smoke stack at the Essex County Resource Recovery Waste-to-Energy Facility in Newark, New Jersey, on January 21.
Mandatory Credit:	Gary Hershorn/Corbis News/Getty Images

Emissions from a smoke stack at the Essex County Resource Recovery Waste-to-Energy Facility in Newark, New Jersey, on January 21.
Mandatory Credit: Gary Hershorn/Corbis News/Getty Images

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EPA cracks down on deadly air pollution with new rule – not strong enough, experts say

The US Environmental Protection Agency has finalized a key update to the federal air quality standard for fine soot – a step toward reducing deadly air pollution that’s been over a decade in the making.