this post was submitted on 18 Apr 2026
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The patent filing shows Seres' plans for an onboard toilet that slides out from the bottom of a passenger's seat with a push or through voice-activated commands.

The loo will come with a fan and exhaust pipe to channel odours out of the car, according to the filing on China's intellectual property administration seen by the BBC.

Waste is collected in a tank that has to be emptied manually. The toilet also features a rotating heating element that evaporates urine and dries other waste.

When not in use, the toilet is concealed beneath the seat, making full use of the space inside a car without requiring more room.

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[–] RodgeGrabTheCat@sh.itjust.works 18 points 2 days ago* (last edited 2 days ago)

A converted/camper van, sure. A passenger car, WTF.

[–] credo@lemmy.world 13 points 2 days ago (1 children)

Maybe they did it so no one else could? When patent trolls become the true heroes.

[–] frongt@lemmy.zip 4 points 2 days ago

Yeah companies patent stuff they're not expecting to actually build all the time.

[–] the_citizen@lemmy.world 3 points 1 day ago

An old RR model included a manual toilet too. It didn't have a tank so it left waste on the road. It wasn't popular though.

[–] finalarbiter@piefed.social 5 points 2 days ago

Finally, a vehicle for people with IBS and incontinence

[–] MonkderVierte@lemmy.zip 4 points 2 days ago* (last edited 2 days ago) (2 children)

Uhm, excuse me, what is this Panzer?

Btw, i've once read a sci-fi dystopia story, where the few humans left all live naked in some vehicle filled with a hydro- and oilophobic smart, uh, slime? Gum? that can freely deform. You piss, the urine gets directed to a opening. You want to procreate, sperm from a matching partner gets exchanged via their vehicle. Stuff like that.

Guess they have this as their vision of the future?

[–] unpossum@sh.itjust.works 1 points 1 day ago

So, Pixar’s Cars?

[–] WanderingThoughts@europe.pub 2 points 2 days ago

In "Mother of Storms" by Barn Jones, they had self-driving cars with a built-in toilet for long cross-country trips. I never thought it would actually be built.

[–] Zwuzelmaus@feddit.org 3 points 2 days ago* (last edited 2 days ago) (1 children)

Ohh... these pictures in my head!!

[–] UnderpantsWeevil@lemmy.world 1 points 2 days ago

They've got concept art in the article.

[–] psx_crab@lemmy.zip 2 points 2 days ago

Ahh yes, a vehicle design worthy of chinese new year exodus.

[–] Domino@quokk.au 1 points 2 days ago

And people have been praising Chinese automakers?