I think most energy used up in US are hydro, geothermal and wind energy.
Well energy is a broad topic, in-terms of oil the US uses the most, roughly 25% of the worlds oil that is produced.
most of the energy is produced in mitochondria.
Yes it is
73 % is electrical energy
Most of the energy in a light bulb is heat energy.
There are a few energy carrier produced during Glycolysis but NADH and ATP are most produced.
Mitochondria
Coal.
12%
Fusing 5kg of hydrogen
mitochondria