Collecting sales tax online won't lead to higher taxes—and might lower them … But only if you counted all the time and thus money Tesla said you would save from not schlepping to the gas station and by gaining entree to the carpool lane for electric cars (if you happen to live in California.) … And Musk now personally guarantees that the trade-in value of the Model S after three years will exceed that of a comparable car from Audi, BMW, Jaguar, Lexus or Mercedes. …

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Elon Musk ditches most of the funny math in new Tesla Model S …