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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[–] 4 points 2 years ago

I've always emphasized that gasoline comes from oil. Electricity comes from oil. Or solar. Or nuclear. Or wind. Or hydro. Or hamsters running on wheels. Lots of sources to choose from!

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