Those are incredibly pessimistic numbers for power plants and optimistic numbers for ICE. On average 5% of the electricity transmitted and distributed in the United States is wasted your other numbers are similarly inaccurate.
ICE engines are only ~30% efficient under optimal conditions, idling still consumes fuel and engines idle a lot in normal driving including coasting down a large hill, slowing down, stoplights etc. Similarly turning on and heavy acceleration etc is extremely inefficient. This is where the primary benefit comes for hybrid cars not regenerative breaking.
Also, comparing gasoline to electricity ignores all the energy required to make gasoline. Oil refineries both use serious amounts of energy and release massive quantities of CO2 directly.
ICE engines are only ~30% efficient under optimal conditions, idling still consumes fuel and engines idle a lot in normal driving including coasting down a large hill, slowing down, stoplights etc. Similarly turning on and heavy acceleration etc is extremely inefficient. This is where the primary benefit comes for hybrid cars not regenerative breaking.
Also, comparing gasoline to electricity ignores all the energy required to make gasoline. Oil refineries both use serious amounts of energy and release massive quantities of CO2 directly.