Just the other day I saw for the first time in my life, a "vetboer" (Dutch for fat farmer) truck parked outside the local bar/cafe, and as I turned the corner t

Just the other day I saw for the first time in my life, a "vetboer" (Dutch for fat farmer) truck parked outside the local bar/cafe, and as I turned the corner they were leaving the bar with a big blue barrel. According to their website [1], the fats and oils they collect are recycled into biofuel for vehicles and green power for households. Maybe in the future they'll mention aircraft as well... [1] https://www.devetboer.nl/ https://www.devetboer.nl/