Yes. In most applications, literally 45-70% of the fossil fuel is burned just to generate waste heat. This is a huge advantage for renewables, where it doesn't

Yes. In most applications, literally 45-70% of the fossil fuel is burned just to generate waste heat. This is a huge advantage for renewables, where it doesn't matter that you're not capturing all the energy in the wind going past, because it's not being consumed or generating waste.