World Biofuel Day 2021: History, Significance and Theme

World Biofuel Day 2021: A biofuel is any source of energy that is extracted from biological material such as agricultural wastes, crops, trees or grass.

from Top Lifestyle News- News18.com https://www.news18.com/news/lifestyle/world-biofuel-day-2021-history-significance-and-theme-4063994.html