The Difference Between Gasoline And Hydrogen Engines

How hydrogen combustion engines work, versus gasoline engines. Hydrogen combustion engines can be more efficient and with better emissions versus gas engines, due to the fuel differences of H2.

This video will look at eight major differences between gasoline and hydrogen fuels used in internal combustion engines. This includes the combustion reaction and byproducts, air fuel ratio, ignition energy, flame velocity, auto-ignition temperature, diffusivity, quenching distance, and density. These properties result in drastic differences between using the two fuels, though both can easily be adopted and used in traditional otto-cycle piston cylinder engines, often with little modification to the existing engine hardware. Are hydrogen engines the future of internal combustion? Let's find out!

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[Bremberry]

14 Minutes of uninterrupted teaching. My high school teachers would be pretty jealous of your efficiency. Thanks!

[ripvanwinkel]

I really like how all the pro's and con's are presented in just the facts. I wish the news was like this.

[graemebelle]

As a car guy I really enjoyed your content. I've been working on internal combustion engines for 40 years, and it was great to get your insight into what the future will bring.
Thanks so much

[uwekonnigsstaddt]

Excellent!!!! The only person that I know that can have 15 pages of text in engineering in a video less than 15 minutes long. Very dense content. With a whiteboard on the background? Priceless....

[dmfraser]

It is nice to get this stuff at least at a basic university level and not dumbed down. As an engineer I find videos like this do a good job of explaining just short a deep dive into high level math. With the objection to that is that it would really limit your audience. This is a good balance between going all the way into it while explaining enough. On the other hand need for the chemistry is a given these days for this level of video. Overall, a really good well balanced job

[mkckfrancis]

I am not skilled from a chemistry perspective, but this was the best video I've seen that clearly explains the difference without too much technical complexity. Well done. Thank you

[mikesamyn]

I remember looking at this in a Ford research study using cylinder pressure analysis. The study showed very high maximum rates of pressure rises compared to gasoline. We thought that the engine would have to be structurally much more robust to accommodate the pressure loads. This was way back in 2006 or 7 when the study was presented.

[easymac]

10:13 "Thermal event" I love how you describe "fire" at first. Highest geek level achieved..

[atombaum]

The way you always integrate the mathematics into the science of your videos makes you one of the few credible sources on the internet. Thank you for that.

[BuhlouBear]

I appreciate you the time invested in producing this video, thank you.

[tipstruckers]

White board got bigger after 2 million subs.

After 3 million subs will the white board be like those chalk boards are universities that have a rolling ladder?

[calebgriffiths]

Absolutely love the fast paced presentation. Covered the bases so quickly and yet totally understandable. Brilliant! Thanks

[TechTimeWithEric]

I love all your videos, but the whiteboard videos are my favorite. I've been a subscriber since the inline 6 whiteboard video.

[minimin]

I should get some sort of diploma from watching every Engineering Explained videos. 🤣

[CalinDee]

While not the focus of the video, at all, I think that was one of the best explanations of engine knock and its relation to octane that Ive seen around... Most 'car guy' vids manage to present it in either an extremely confusing, or flat out incorrect way. Nicely done!

[zandertakacs]

I wish my teachers taught like this rather than handing out worksheets, you give a picture which helps a ton from a visual standpoint and thoroughly explain it. Well done.

[itsalgud]

Jason, when I opened up your video this morning and saw the crowded whiteboard behind you, I almost turned off my iPad and went back to bed!😆
Seriously, another excellent, succinct lesson on rather complicated subject. You are the number one source for this aging, retired engineer/car guy on modern automotive technology!😃 I can’t tell you how much I enjoy watching your videos. 👍

[genedavis]

Great stuff as always ! I always want to know pro's and cons of alternatives and you do that very well . Thanks !

[phillipdale]

Jason excellent as always..im requesting all my children watch all your videos ..great educational tools...i try and explain these concepts to them..they think im a mad man....your videos help them understand and appreciate the concepts. .excellent. thank you

[John-gjdb]

I e been a mechanic 40 years and this is the best tutorial I’ve ever watched. Thanks for posting this 😊