Dyed Diesel
From the Blog
How to Check Your Diesel Exhaust Fluid Level
To check if your Diesel Exhaust Fluid (DEF) is low, look for a DEF warning light or message on your dashboard, or a DEF gauge near the fuel gauge. You can also visually inspect the DEF tank for minimum/maximum markings, or use a dipstick if available, to compare the level with the recommended range. Diesel…
What Is Red Diesel Fuel: An Expert Guide
Red diesel (off-road diesel) and regular diesel (on-road or clear diesel) are chemically identical Ultra-Low Sulfur Diesel (ULSD) fuels. The difference lies in color, tax, and usage. Red diesel is dyed with Solvent Red 26 or 164 for tax-exempt off-road use, while regular diesel is untaxed and legal for highway vehicles. What Is Red Diesel…
Is Off-road Diesel Low Sulfur?
Yes, today’s off-road diesel is ultra-low sulfur diesel (ULSD) containing 15 parts per million (ppm) or less of sulfur. The EPA phased out high-sulfur versions, making off-road diesel nearly identical to on-road diesel in sulfur content, differing only by red dye and tax classification. As a society, we have become increasingly aware of the impact…
Why Clear Diesel is More Expensive Than Dyed Diesel Fuel
Clear diesel costs more than dyed diesel because it includes federal and state highway taxes used to fund public roads and bridges. Dyed diesel, marked red for off-road use, is tax-exempt and intended for equipment like tractors or construction machinery, making it significantly cheaper per gallon. Why Clear Diesel is More Expensive Than Dyed Diesel…
Can You Mix Off-Road Diesel and Clear Diesel? A Complete Guide on Dyed vs Regular Diesel
Mixing dyed (off-road) and clear (on-road) diesel is technically possible but not recommended. Doing so poses legal risks, potential engine damage due to higher sulfur content in dyed diesel, and negative environmental impacts. Using dyed diesel in vehicles meant for public roads can lead to fines or criminal charges and may harm modern emission systems…