The accent should be on the "solely". Mixing small quantities of fuel derived from cooking oil has been done before, even at industrial level: https://www.new

The accent should be on the "solely". Mixing small quantities of fuel derived from cooking oil has been done before, even at industrial level: https://www.newscientist.com/article/2181821-how-to-make-jet-fuel-from-used-cooking-oil/ https://www.newscientist.com/article/2181821-how-to-make-jet...