I did not have the chance to snap a pic, but I spotted one of these at a gas station where I was fueling yessterday. At first I thought it was a new Gen Prius V or something. Then I wondered if it was some Lexus version of the new Prius. I asked the guy. Sure enough... the gas station has a hydrogen fueling pump and he was fueling up. Sharp looking car from what I got to see on the fly (I was in a big rush).
https://ssl.toyota.com/mirai/fcv.html
not my pic, obviously.
ALSO, COINCIDENTALLY, we got an email from Honda yesterday re their fuel cell car, the Honda Clarity...
Check out it's "wheel well skirt," which seems to be partly a closing of the top of the well, and partly a spat of sorts on the side panel upstream from the leading edge of the rear wheel well: