Of the Following,one That Actually Reduces Carbon Dioxide Emissions

Of the following,one that actually reduces carbon dioxide emissions

A) An electric car that requires battery recharging using 110V or 220V electricity that is generated by a fossil fuel plant.
B) Replacing a 40W incandescent light bulb with a 15W fluorescent bulb in a socket that receives 110V electricity generated by a fossil fuel plant.
C) An electric lawn mower that runs on 110V electricity generated by a fossil fuel plant.
D) Replacing a 40W incandescent light bulb with a 15W fluorescent bulb in a socket that receives 110V electricity generated by solar photovoltaic cells.