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Chalk up one more state in California's column. Colorado has added its name to the list of 12 states that follow California's tighter emissions standards. Governor John Hickenlooper directed Colorado's Air Quality Control Commission to begin the legal process of bringing the state into the coalition of those that follow California's air quality... Colorado moves to follow California’s low-emissions air-quality rules
Chalk up one more state in California's column. Colorado has added its name to the list of 12 states that follow California's tighter emissions standards. Governor John Hickenlooper directed Colorado's Air Quality Control Commission to begin the legal process of bringing the state into the coalition of those that follow California's air quality...