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Joe Moore / Valley Public Radio

California's air regulators are increasingly turning their attention to a greenhouse gas that has largely gone overlooked - methane. 

According to the U.S. EPA, when it comes to climate change, methane emissions have an impact 20 times greater than CO2 emissions, pound for pound.

That's why Governor Jerry Brown singled out the gas during his inaugural address this month as part of his plan to combat climate change. 

California Air Resources Board

The LA Times recently called Mary Nichols a “rock star.” In 2013 Time Magazine called her one of the 100 most influential people in the world and the Thomas Edison on environmentalism. She’s the chair of the California Air Resources Board, and if it has something to do with air quality or climate change in the state, she probably has something to say about it.

The California Air Resources Board says refineries can begin producing and selling winter-blend gasoline.

The blend is usually not sold until October 31st because it’s a more volatile compound and its quick evaporation can harm air quality during hot weather.

But Governor Jerry Brown requested the early switch because of the recent gas price spikes. 

The Board’s Dave Cleggern says with the cooler weather he doubts it will have any negative environmental effect.

California Tests Cap and Trade System

Aug 31, 2012

California officials are ramping up for the greenhouse gas emissions cap-and-trade market this November, where companies will be required to pay for their pollution. The state held a trial auction to test the new system for selling carbon credits on Thursday.

The main goal of the test run is to make sure the software works smoothly and prevents attempts to game the bidding system, according to, Stanley Young who is with the California Air Resources Board.

California Air Resources Board

The California Air Resources Board has created a map that shows the state’s biggest emitters of greenhouse gases. It is a significant step in the development of California’s Cap and Trade program.

On the new Google Earth map are 625 facilities that each produce more than 25,000 metric tons of greenhouse gases annually. The map breaks down facilities by industry, zip code and emissions. But, Stanley Young with the Air Resources Board says state-to-state comparisons aren’t yet available.