First the governor says he wants to adopt California's emissions standards. Then, last week the Legislature included in the DEQ budget language that would prevent this from happening. Now, The Governor has said that he will use his Line Item Veto to remove the language, and then give an executive order requiring the standards to be put into place.
Read about it here and here
I understand that he is probably well within his power to do this, but it is awfully arrogant to completely defy the Legislature, you know, we call them "Representatives."