>> this is the compressor motor that sits at the front and allows the train to keep moving forward. >> all right. so just to make it cool, you check on the web, 5 1/2 hours to drive this is going to 30 minutes. >> yes. >> that's incredible. if it works. >> he also says it will only cost to build this $6 billion or $7 billion. compare that to the $65 billion for the current high-speed rail plans for california. he believes this is a viable, valuable alternative for mass transit between these two destinations. >> and when you talk about things that can transform life as we know it, if this were to work, this would be one of them. by the way, you say $6 to $7 billion. i want to make it clear to all of you watching, $34 billion was the estimate for california high-speed rail. they're now double that at $70 billion, and there's still no train. >> but the point about this is, could he do it? let's not be down in the manger. let's not be wet weekends about this. has he come up with something -- >> that would work? >> never mind -- is it visionary? in 30 years' time, will you and