DIY XR3 225 MPG Hybrid Car Kit Finally Finished, Hits the Road Soon for…

When we last left gearhead Robert Q. Riley and his three-wheeled DIY 225 MPG XR3 car kit » 8/17/08 2:00pm 8/17/08 2:00pm in March 2007, rumor had it drivers would be zipping around roadways in it by May. Turns out the DIY hybrid market is tougher than expected, because just this week word was the XR3 was finally finished and "coming soon"-again.…