How DEF Protects Your Engine and Reduces Harmful Emissions
Diesel Exhaust Fluid (DEF) works with modern diesel engines to reduce emissions and keep equipment running smoothly. It helps convert pollutants into harmless nitrogen and water, and it’s produced to a high purity standard to protect your engine’s emission system. With basic storage care and dedicated equipment, DEF stays reliable and effective for long‑term use.
DEF Delivered by Fleet Fuels
DEF gives operators a dependable, environmentally responsible way to keep diesel engines clean and compliant. Fleet Fuels supplies it directly to fleets across on‑road, off‑road, and industrial environments, ensuring you always have access to a product you can trust.
Quality That Protects Your Equipment
Produced to exceed ISO 22241 and API standards, DEF is purified to maintain exceptional quality. This helps prevent SCR issues, reduce nitrogen oxide emissions, and support better fuel efficiency — protecting both your equipment and your bottom line.
Support and Delivery You Can Count On
Fleet Fuels helps you choose the right DEF quantities, storage solutions, and delivery schedule for your operation. We offer DEF in sealed totes, barrels, drums, and jugs, along with bulk delivery through a closed, 1‑micron filtered system. For tanks with Micromatic connections, we fill directly through a state‑certified meter to ensure accuracy and product integrity.