2 Hydrogen + 1 Oxygen = H2O. Linking to the U.S. electricity generation by energy source makes sense to me. If anything I'm just disappointed that it's already

2 Hydrogen + 1 Oxygen = H2O. Linking to the U.S. electricity generation by energy source makes sense to me. If anything I'm just disappointed that it's already pushing a green energy (hydropower) agenda. /s