The American Association of Motor Vehicle Administrators recommended states to ban non-FMVSS compliant cars, including everything keijidōsha, back in 2021. The Texas DMV has issued a ruling that these cars are now, and will remain, street legal for use on Texas roadways.
Yeah they’re great. I see lots of them with fold-down sides on the beds for side loading too. The payload ratings are not comparable to the larger consumer pickups though, sadly.