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countable and uncountable, plural biodiesels
Fuel for diesel engines made from renewable organic raw materials, as opposed to fossil hydrocarbons. quotations examples
Biodiesel is a technologically feasible alternative to petrodiesel, but nowadays biodiesel costs 1.5 to 3 times more than fossil diesel in developed countries.
2007, Ayhan Demirbas, Biodiesel: A Realistic Fuel Alternative for Diesel Engines, Springer Science & Business Media, page 197