California households use almost 300 terrawatt-hours per year and Governor Jerry Brown has signed legislation earlier this month that aims to ensure that all of that energy is 100% renewable. However, critics like Dan Walters, at CalMatters, points out that implementing a 100% renewable energy plan would exceed $100 billion. Not only that, but replacing all the gas cars in California with electric cars would cost residents a cumulative $1 trillion.
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