Can you mix dyed and clear diesel? A Complete Guide on Dyed Diesel vs Regular Diesel Fuel

June 15, 2023

June 15, 2023

In fuel management, understanding the nuances between different fuel types is crucial. Diesel fuel, in particular, comes in various forms, including dyed and clear diesel. Each type serves a distinct purpose and is subject to specific regulations. As a fuel delivery company catering to a wide range of industries, including fleet companies, construction firms, and farmers, Fuel Logic aims to shed light on the topic. This blog will answer if you can mix dyed and clear diesel. Also, we’ll explore the differences between clear and dyed diesel, address whether they can be mixed, and discuss the implications for businesses.

Can you mix dyed and clear diesel

Understanding Dyed Diesel (Off-road / Red Diesel)

Dyed diesel, often called off-road diesel, plays a vital role in powering equipment outside of public roadways. Dyed diesel is a fuel colored with a red dye and is intended for off-road or non-highway use. It's dyed red so federal and state officials can easily identify it if they need to check the fuel. The use of dyed fuel is popular in agriculture, construction, mining, and forestry industries. Regulations govern its use to prevent tax evasion, and penalties can be imposed for misuse. Dyed diesel should be stored separately, labeled properly, and used only with incompatible equipment. Businesses using dyed diesel should maintain documentation and be aware of regional laws.

Clear Diesel: On-Road Fuel

In contrast to red-dyed diesel, clear diesel, also known as on-road diesel or green diesel, fuels vehicles that traverse public roadways. It has low sulfur content, meets emission standards, and is compatible with modern diesel engines. On-road diesel offers high energy density and efficient performance, making it an ideal choice for powering vehicles.

Can You Mix Dyed and Clear Diesel?

Most people have a question: Can you mix dyed and clear diesel? So, mixing dyed fuel and clear diesel is generally not recommended. Here's a closer look at the reasons why it's best to avoid mixing these two types of diesel fuels:

1. Legal Implications

Many jurisdictions have strict dyed and clear diesel fuel regulations. Dyed diesel is typically intended for off-road or non-highway applications, while clear diesel is meant for on-road vehicles. Using dyed diesel in on-road vehicles can be illegal and may result in fines or criminal charges if caught during inspections.

2. Engine Damage and Performance

Dyed diesel often has higher sulfur levels than clear diesel. Modern diesel engines with advanced emissions control systems, such as diesel particulate filters (DPF) and exhaust gas recirculation (EGR) systems are designed to work optimally with low-sulfur clear diesel. Mixing dyed diesel, with its higher sulfur content, can damage or clog these sensitive components, leading to decreased engine performance, increased emissions, and expensive repairs.

3. Environmental Concerns

Clear diesel, or ULSD, has lower sulfur content, which helps reduce emissions and minimize environmental impact. Mixing dyed diesel with clear diesel can compromise the emission reduction efforts achieved using ULSD. The higher sulfur levels in dyed diesel contribute to increased sulfur dioxide (SO2) emissions, contributing to air pollution, smog formation, and respiratory health issues.

While it's best to avoid mixing dyed and clear diesel, if there is a need to transition between these fuels, it is crucial to ensure complete drainage and cleaning of the fuel system to prevent contamination and potential damage to engine components. Following proper procedures and adhering to the regulations governing dyed and clear diesel fuel use is essential for compliance and responsible fuel management.

The Best Solution For Your Dyed Diesel Fuel Needs

In conclusion, it is crucial to understand the differences and implications of mixing dyed and clear diesel fuels. Not only does it violate government regulations, but it can also have serious consequences for your vehicle, the environment, and your business. To avoid such risks and ensure compliance, it is essential to have a reliable fuel partner who can provide high-quality fuel while adhering to all the rules and regulations set forth by the government.

Fuel Logic is one such partner that offers customized solutions to meet your specific needs. Whether it's working with your existing fuel management software and cards or providing efficient services and data reporting, Fuel Logic offers full automation for fleet fueling, reducing costs and saving time and money. We provide all types of fuel, such as regular diesel, off-road fuel, gasoline, and diesel exhaust fluid. With our expert fuel monitoring, expense optimization, and theft prevention, we provide customizable management solutions for fleet managers and companies. By partnering with Fuel Logic, you can enhance fuel transparency, optimize spending, and ensure the smooth operation of your business.

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