The vague plan, which will make "greater use of fuel-saving technologies," has been drawn up by Cali regulators CARB (California Air Resources Board). They want automakers to cut greenhouse gas emissions by 30 percent. The aforementioned "technologies" are the burgeoning developments in cylinder deactivation, variable valve lifters and more efficient electrical systems, many of which should be factory equipment by 2015. There is conflict, of course, because automakers claim that the imposed cuts don't jive with federal fuel economy standards— that California can't hope to reduce emissions without reducing fuel consupmtion. CARB's plan would require cars that now get 27.5 mpg to somehow get to the 36 mpg mark.

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