Jevons paradox has nothing to do with what the article is about. It only says that technological efficiency improvements in the production of something creates

Jevons paradox has nothing to do with what the article is about. It only says that technological efficiency improvements in the production of something creates additional demand for it, leading to an overall increase in usage of the thing. Nothing was made more efficient. He is not using energy from coal or other fossil fuels, so his usage displaces that usage.