Rising Fuel Costs Drive Botswana Farmer Toward Creative Biodiesel Solutions Using Recycled Cooking Oil

Explore how a Botswana farmer uses recycled cooking oil to create affordable biodiesel as regional fuel prices climb due to global supply chain disruptions.

By: AXL Media

Published: Apr 2, 2026, 8:17 AM EDT

Source: The information in this article was sourced from MyBroadband

The Resurgence of Local Biofuel Production

As diesel prices surge past the R30 per liter mark, an agricultural producer in Botswana has returned to a self-sufficient energy strategy first utilized in the early 2000s. According to the farmer, the process of transforming discarded restaurant grease into functional fuel offers a viable escape from the financial pressures of commercial pumps. While the method was dormant for years during periods of price stability, the current economic climate has made the gathering of waste oil from local eateries and hospitality venues a priority once again.

A Volatile Global Energy Landscape

The regional fuel crisis is directly linked to broader international conflicts, specifically involving military actions and the strategic blockage of the Strait of Hormuz. This critical maritime corridor, which facilitates approximately 20% of the world’s petroleum transit, has become a flashpoint for geopolitical leverage. Consequently, wholesale prices for 50ppm diesel are projected to climb by more than R10 per liter this month. These external pressures have forced local operators to look beyond fossil fuels to maintain their agricultural and transport activities.

The Chemistry of Waste Transformation

Creating high-quality biodiesel requires a chemical procedure known as transesterification, which cleans and stabilizes plant-based oils for use in standard engines. The farmer utilizes a mixture of methanol and sodium hydroxide to separate glycerine and impurities from the raw oil. According to his findings, the additional chemical components contribute roughly R4 per liter to the total production cost. This makes the final product significantly more affordable than retail diesel, provided the base ingredient of waste oil can be sourced at a deep discount or for free.