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Toyota Is Developing A Water Powered Car Engine

Posted on 5/2/26 at 7:20 am
Posted by lake chuck fan
Vinton
Member since Aug 2011
23601 posts
Posted on 5/2/26 at 7:20 am
I've watched videos on this idea before, but Toyota's approach removes the need for stored hydrogen, which is much safer.
Much would have to be overcome before this becomes reality, but if any company can do it, Toyota can.
The oil industry and car industry will fight it, but I think eventually this is coming.


quote:


This video explores reports that Toyota is developing a groundbreaking water-powered engine that could serve as a sustainable, practical alternative to current electric vehicle (EV) technology (0:12-0:49).

Key takeaways from the video:

How it works (2:40-4:01): Instead of relying on heavy battery packs or high-pressure hydrogen tanks, this engine utilizes real-time electrolysis. By running an electrical current through distilled water stored in the vehicle, the system separates hydrogen and oxygen on-demand; the hydrogen is then burned as fuel in the combustion chamber.
Advantages over EVs (4:18-5:55): The technology aims to bypass common EV drawbacks such as reliance on rare earth metals (like lithium and cobalt), the environmental impact of battery mining, and the need for massive charging infrastructure. It is presented as a simpler, cleaner, and potentially more accessible solution for both developed and developing nations (6:09-7:26).
Performance and Safety (7:37-9:14): The engine design claims high energy density and efficiency, with the video citing early, non-Toyota prototypes that achieved competitive fuel economy. Because it uses water—a non-flammable substance—and generates hydrogen only as needed, it could theoretically be safer than systems storing large amounts of volatile fuel or battery energy.
Challenges ahead (9:15-11:08): Widespread adoption faces hurdles including public skepticism, the need for extensive field testing for durability, regulatory approval in a market built for traditional fuels, and the initial costs of engineering the electrolysis system.

The video concludes that if Toyota succeeds in bringing this technology to market, it could represent a massive shift in the automotive landscape, offering a bridge to a cleaner future through simple, abundant resources (12:04-13:15).




Posted by BHS78
Member since May 2017
3810 posts
Posted on 5/2/26 at 7:23 am to
I remember playing with water powered rockets 50 years ago.
Posted by Henry Jones Jr
Member since Jun 2011
77041 posts
Posted on 5/2/26 at 7:25 am to
quote:

The oil industry and car industry will fight it, but I think eventually this is coming.
They will fight it by funding groups that say data centers are bad for the environment because of how much water they consume.

Wasnt there a guy back in the 90s that was in a National Geographic story about how he had made an engine that ran on water? He was found dead less than a year later
This post was edited on 5/2/26 at 7:26 am
Posted by theballguy
HSV (Dealing only in satire)
Member since Oct 2011
36677 posts
Posted on 5/2/26 at 7:25 am to
quote:

if any company can do it, Toyota can.


1 hundo.

I'm biased of course. Since the early 90's we have owned only Toyotas.

Outside of routine maintenance, I can count on one hand how many times we have had to take a Toyota to the shop since then.
Posted by Pepperoni
Mar-a-Lago
Member since Aug 2013
4251 posts
Posted on 5/2/26 at 7:28 am to
quote:

I remember playing with water powered rockets 50 years ago.
Posted by Nosevens
Member since Apr 2019
19112 posts
Posted on 5/2/26 at 7:29 am to
Having that technology that Exxon (?) bought up rights to of something like 84 mpg 30 years ago and shelved could be helpful
Posted by ArHog
Gulf Coast
Member since Jan 2008
39363 posts
Posted on 5/2/26 at 7:30 am to
No thanks, I'll keep my Tacoma and 4 Runner
Posted by jrodLSUke
Premium
Member since Jan 2011
26190 posts
Posted on 5/2/26 at 7:33 am to
quote:

but if any company can do it, Toyota can.




I put more trust in American ingenuity. If it can be done, Elon will do it.
Posted by Diamondawg
Mississippi
Member since Oct 2006
38276 posts
Posted on 5/2/26 at 7:36 am to
Don't they call that steam? I think we tried that a long time ago. Worked until something better came along (no I didn't read it).
Posted by WickedTiger
Member since Apr 2026
43 posts
Posted on 5/2/26 at 7:38 am to
quote:

I put more trust in American ingenuity. If it can be done, Elon will do it.


I’m as American as anyone. But, the American car industry has historically not shown the ability to do much of anything right. Sorry, that is just historical fact.
Posted by dstone12
Texan
Member since Jan 2007
40244 posts
Posted on 5/2/26 at 7:40 am to
I’m embarrassed to say that I ran this thru the chatjipity and it says that’s a fake video.

That really their tech is hydrogen fuel cells.

I told Chad that it was showing a dude pouring distilled water into a fuel tank and it said that it was wrong.


Chat vs Toyota. I’m going Toyota
Posted by Ramblin Wreck
Member since Aug 2011
4191 posts
Posted on 5/2/26 at 7:40 am to
California is still screwed due to a lack of water. You won’t be able to water your lawn or fill your car with water.
Posted by Placekicker
Florida
Member since Jan 2016
13686 posts
Posted on 5/2/26 at 7:41 am to
quote:

They will fight it by funding groups that say data centers are bad for the environment because of how much water they consume.


They will fight it by unaliving whoever came up with the idea.
Posted by dstone12
Texan
Member since Jan 2007
40244 posts
Posted on 5/2/26 at 7:41 am to
This is where water treatment stocks that can close loop water will win.
Posted by rebeloke
Member since Nov 2012
17242 posts
Posted on 5/2/26 at 7:45 am to
Toyota needs to put out a public notice they aren’t suicidal.

Toyota is about to be burned to the ground.
Posted by Laugh More
Member since Jan 2022
3907 posts
Posted on 5/2/26 at 7:56 am to
Sounds like a few people may be murdered or disappear soon
Posted by Tigergreg
Metairie
Member since Feb 2005
25827 posts
Posted on 5/2/26 at 7:57 am to
quote:

Wasnt there a guy back in the 90s that was in a National Geographic story about how he had made an engine that ran on water? He was found dead less than a year later


I recall some guy swearing he had developed a water powered engine many years ago. His name was Stanley Meyer:

Posted by beulahland
Little D'arbonne
Member since Jan 2013
4064 posts
Posted on 5/2/26 at 8:02 am to
Toyota did not hang themselves.
Posted by lake chuck fan
Vinton
Member since Aug 2011
23601 posts
Posted on 5/2/26 at 8:10 am to
quote:

Don't they call that steam? I think we tried that a long time ago. Worked until something better came along (no I didn't read it).


It's not steam. Electrolysis seperates hydrogen and oxygen, the hydrogen is the fuel. Older designs/ideas contained holding tanks for the hydrogen (dangerous).
Toyotas process uses the hydrogen as it is processed, no storage.
Posted by lake chuck fan
Vinton
Member since Aug 2011
23601 posts
Posted on 5/2/26 at 8:11 am to
quote:


They will fight it by unaliving whoever came up with the idea.


They can do that to individuals(and have done so), but not Toyota!
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