EPA set to tighten smog limits as business gears for fight

ABC News: Facing a court-ordered deadline, the Obama administration is preparing to finalize stricter emissions limits on smog-forming pollution linked to asthma and respiratory illness.

The move fulfills a long-delayed campaign promise by President Barack Obama, but sets up a fresh confrontation with Republicans already angry about the administration's plans to curb carbon pollution from coal-fired power plants and to regulate small streams and wetlands.

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