Colorado facing oil and gas boom fumes, favors cleaner facilities

PLATTEVILLE — A cleaner kind of oil and gas production has begun at the epicenter of Colorado’s boom, where pollution threatens the state’s hard-won gains in air quality.

There are no storage tanks, a main source of toxic fumes.

Valves that hiss steadily at old-style facilities are replaced by “low-bleed” valves that pollute only in tight spurts.

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