Northern California and Nevada may need to ask for exemptions to a federal air quality rule the EPA is expected to issue this week. As Capital Public Radio's Amy Quinton reports, that conclusion is based on a NASA study released yesterday [Tuesday].
Northern California and Nevada may need to ask for exemptions to a federal air quality rule the EPA is expected to issue this week. As Capital Public Radio's Amy Quinton reports, that conclusion is based on a NASA study released yesterday [Tuesday].