Biofuels research booming globally, with China leading the charge in diverse renewable energy sources.
The study looked at how many scientific papers were published about biofuels like biodiesel and bioethanol. They used two models to see how the number of publications changed over time. China published the most papers on biofuels. Research on biofuels, biohydrogen, and bioethanol is increasing. Since 2003, the number of papers on each type of biofuel has been going up.