Key context: thermodynamics dictates that heat engines waste a lot of energy.

Credit: Karin Kirk

A pickup truck belching a big cloud of black exhaust. Inside the cloud in white text: Wait, 80% of my gas money goes out the tailpipe? How come Exxon never told me that?
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[–] 8 points 2 years ago (1 child)

If you take it off I'll weld it for you.

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