Given the obvious practical considerations (wood plus combustion equals flame), you won't see these cars go into mass production, except as children's toys. They sure are pretty, though.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.