You could contact proprietor of that blog and him for a link to your niche site.
Diesel engines, industry that powers large trucks, buses, ships, etc., were designed to be fueled by bio-fuels regarding example that that can easily be made from hemp. https://www.pressadvantage.com/story/61285-fleet-management-consulting-firm-helps-heavy-equipment-companies-manage-their-fleet-of-vehicles