State air regulators celebrated a rare air quality achievement.
Traffic starts to slow during the morning rush hour along southbound Interstate 25 heading toward the Denver Tech Center last spring. CDOT is ramping up an initiative to precisely time ramp meters to reduce congestion in the busily traveled corridor. Five Colorado cities hit a benchmark for reducing carbon monoxide in the air and now Colorado will ask the Environmental Protection Agency to release it from federal oversight for monitoring those emissions.
In the 1970s, Colorado Springs, Denver, Greeley, Longmont and Fort Collins were plagued by high carbon monoxide emissions, mostly from automobile exhaust. Throughout the decade the region exceeded federal standards for carbon monoxide more than 100 times with most of those violations happening during daily rush hours.Those 100-degree days are here to stay as Denver’s summers get hotter. Here’s what the city is doing.
Colorado was able to reduce carbon monoxide in the air as more automakers installed catalytic converters in cars and trucks and by using gasoline that burned cleaner. The state also started requiring auto emissions inspections. But that doesn’t mean the Denver Metro area and northern Front Range are in the clear. Nor will it stop finding ways to reduce carbon monoxide pollution, which also isfor ground-level ozone pollution and measures continue to be in place to reduce nitrogen oxides and volatile organic compounds — the two ingredients that form smog on hot summer days.“Hopefully, it will inspire us to tackle the outstanding challenges that we have,” Commissioner Elise Jones said.
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