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What Do We Know about Biofuels Today that Diesel and Ford Did Not?

Would have ever thought Rudolf Diesel and Henry Ford that a day will come when fuel will be extracted from algae? What would Diesel say when hearing about biodiesel or green diesel? Or would Ford say "I told you so" when discovering that ethanol became a reliable fuel? We would be proud to tell them how many efforts have been made and how many scientists and researchers dedicated their work to biofuels. The present paper makes an introduction into the biofuels’ field and tries to answer the question raised in the title by providing a genuine configuration of biofuels generations and supporting evidence of their trends which will help both Ford and Diesel catch up with progress. By their nature, biofuels remain a large debated subject, a useful tool for tackling energy questions and a growing alternative to be explored in more depth.