It's not quite Subaru Sambar-sized, but Ford's B-Max concept from Geneva suggests just how small a modern car can get and still get called a van. The trick here? No door pillars, an engineering feat Ford says is production-ready.

The 2009 Ford Fiesta Panel Van will debut at the Paris Motor Show to the delight of merchants peddling tiny wares. This isn't the first time Ford has covered up a window on the Fiesta, torn out the rear seats and called it a van, but this is certainly the first time there's a chance we'll be getting it (though it's…