transport/transportation
California alone uses more gasoline than any country in the world (except the US as a whole, of course). That means California's 20 billion gallon gasoline and diesel habit is greater than China's (Or Russia's. Or India's. Or Brazil's. Or Germany's.) […] according to the California Energy Commission's State Alternative Fuels Plan1) – http://blog.wired.com/wiredscience/2008/07/amazing-stat-ca.html