I have two huskies. I’m just tired. You never gain any ground.

Yeah, one of those things I learned after getting out too.

That’s the enlisted oath, the officer’s oath has no such obligation.

No, we’re on the same page you just haven’t read enough of it. The very article you linked says Otto engines can reach 30% efficiency. It also touches on other 4-stroke engine cycles.

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I don’t think you have to “fix up a junker.” You can find older vehicles that are modern enough to incorporate OBD2 (which helps troubleshooting and maintaining) but modern enough not to be connected to surveillance programs; late 90s into early 2000s maybe even 2010s. You can find them that have been basically maintained.
You’ll sacrifice things like warranties and included maintenance plans, but you’ll be hard pressed to find a mechanic that won’t work on it, parts will be plentiful and cheaper because I feel like lots of things were less bespoke to each manufacturer around that time frame. Plus they didn’t have a computer connected to every little thing. And theres junkyards for big parts.

If you have your own tools (or a friend with them) there will be a cheap shop manual you can get (like Haynes) and/or a plethora of youtube videos on how to fix and maintain it.

The price of ownership might be higher but the cost of entry will be significantly less. Not that everyone can or is willing to do the above but there is a middle ground that doesn’t involve junkers.

Then your original comment is still wrong, because diesel engines are significantly more thermally efficient than 25%. Even modern gas engines tend to beat your 25% claim.

All Otto cycle are 4-stroke but not all 4-stroke are Otto cycle.

Last I heard modern gas engines have reached a smidge over 30% thermal efficiency because the pure Otto cycle hasn’t been used in decades. Mazda(?) recently announced an engine over 40% efficiency using an Atkinson design I think. Superchargers and more Turbochargers boost efficiency more by recycling waste energy.

But I’m not sure any of that matters because diesels aren’t Otto Cycle.

What’s weird is that Gale Banks, one of the godfathers of turbocharging and a huge name in diesel performance, is adamant that rolling coal is stupid. Especially in modern engines with lightening fast fuel control systems… more forgivable in older diesels with mechanical injection systems. But he says it’s money and horsepower literally blowing out your exhaust, being a internal combustion engine enthusiast myself I don’t understand wanting to leave performance blowing away in the wind; that’s YOUR unburnt diesel blowing away! In THIS economy!

Read the article; his replacement was appointed in 2013

If they’re speaking out, advocatingor protesting while still sitting behind the bench they risk losing the appearance of impartiality.