The so-called V3 Supercharger operates at 250 kilowatts -- approximately twice that of the older stations -- and can charge some of its cars at a rate of 75 miles every five minutes, which Tesla is promoting as “1,000 miles per hour,” without explaining the math. (75 x 12 = 900, doesn't it?)(Following the publication of this article, a Tesla representative clarified that the "1,000 mph" speed is a peak rate that is only sustained for a portion of the initial five-minute period on batteries at a low state of charge. Average speeds over longer charging times were not...