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Biodiesel Blends Explained: B5, B20, and What They Mean for Your Equipment

Fuel Products · September 4, 2026 · 7 min read

As the landscape of fuel technology evolves, fleet managers and operations directors are increasingly looking at biodiesel blends like B5 and B20. These blends not only provide eco-friendly options but also have specific implications for your equipment's performance and maintenance. Understanding these blends is crucial for making informed decisions on fuel choices.

What is Biodiesel?

Biodiesel is a renewable fuel made from natural oils or fats, primarily from plants or animal sources. It can be used in its pure form or blended with traditional petroleum diesel. The most common biodiesel blends are B5 and B20, indicating the percentage of biodiesel in the mix.

Understanding B5 and B20

B5 and B20 represent two popular biodiesel blends: B5 contains 5% biodiesel and 95% petroleum diesel, while B20 consists of 20% biodiesel and 80% petroleum diesel. Each blend comes with unique characteristics that can affect engine performance and maintenance.

Looking for reliable fuel delivery? Tankr delivers biodiesel blends directly to your location nationwide. Call us at 205-469-8354 or get a free quote!

Benefits of Biodiesel Blends

Choosing biodiesel blends can offer several benefits for fleet managers and facility operators. These advantages extend beyond environmental considerations, impacting costs, engine performance, and fuel logistics.

Considerations for Equipment Compatibility

While biodiesel blends offer numerous benefits, it is essential to assess your equipment's compatibility. Some engines, especially older models, may experience issues when using higher biodiesel concentrations like B20.

Engine Modifications and Maintenance

Engines operating on biodiesel blends may require certain modifications to ensure optimal performance. Here are some key considerations:

How Tankr Can Help with Your Fuel Needs

At Tankr, we understand the importance of reliable fuel delivery directly to your fleet or facility. With our own fleet of tanker trucks, we ensure that biodiesel blends like B5 and B20 are delivered seamlessly across all 50 states and 325+ cities.

Conclusion

In summary, understanding biodiesel blends such as B5 and B20 is crucial for fleet managers and operations directors. These blends offer various benefits, including reduced emissions and potential cost savings. By partnering with Tankr for your fuel delivery needs, you can ensure that you receive high-quality biodiesel directly to your operation, helping you stay ahead in a rapidly changing fuel landscape.

Need mobile fuel delivery? Tankr delivers diesel, gasoline, and DEF to your fleet or job site 24/7. Call 205-469-8354 or request a free quote.