this post was submitted on 05 May 2026
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We actually do. F1 engine's have something called the MGU-H that recovers exhaust gas energy and turns it into electricity that can be used to recharge the hybrid system: https://www.racecar-engineering.com/articles/tech-explained-formula-1-mgu-h/
Technically any turbocharger is doing the same thing except it's hooked up to a compressor for the intake air instead of a generator.
They don't have that anymore as it was deemed not relevant enough for road use
It's not quite the same thing, but Porsche has their eTurbo tech in road going cars now: https://www.porsche.com/stories/innovation/porsche-explained-porsche-t-hybrid/
They're effectively capturing exhaust gas energy straight into a battery, just with a different system.
That's pretty cool, didn't know that. Thanks for the link!
I thought it was more about how complicated and expensive they were to fit in the engine package. For little gains, it was a waste of budget cap.