I think the main push to go off gasoline onto diesel, is mainly biodiesel, where crude oil is not required for production.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Biodiesel_production" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Biodiesel_production</a>