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A compressed natural gas (CNG) hose dispenses gas to a Honda Civic at a clean energy fuel station January 18, 2007 in San Francisco, California. California governor Arnold Schwarzenegger signed executive order S-01-07 establishing the world's first low carbon standard for transportation fuels in the state of California. The order will reduce dependence on oil and will lower carbon intensity of California's passenger vehicle fuels by at least 10 percent by 2020.
A key piece California's fight against climate change is in federal court today. It's called the "Low Carbon Fuel Standard, " and it would force gas companies looking to do business in California to cut down their carbon foot print.
Last year, a judge in Fresno struck down the regulation as unconstitutional.
Today, the 9th Circuit Court of Appeals is hearing the case. Here with more is Severin Borenstein, Director of the University of California Energy Institute.