Airgas expands DEF distribution footprint to increase accessibility, strengthen logistics support, and ensure high-purity product availability for nationwide fleets transitioning to clean diesel standards.

1. Diesel Exhaust Fluid (DEF): A high-purity urea solution used to reduce nitrogen oxide (NOx) emissions in diesel engines equipped with Selective Catalytic Reduction (SCR). Available in various volumes, it meets ISO 22241 standards and qualifies for low-emission fleet compliance under 2025 clean diesel regulations.
2. Bulk DEF Delivery Service: Customized DEF delivery solutions with telemetry-enabled storage tanks ensure continuous supply to fleet operators. Reduces downtime and streamlines DEF inventory management for large-scale fleet operations needing consistent compliance with emissions standards.
3. DEF Storage and Dispensing Equipment: Turnkey DEF storage systems including tote tanks, pumps, and dispensing nozzles. Designed to maintain fluid purity and streamline integration into fleet maintenance facilities. Enhances regulatory compliance and reduces DEF contamination risks.
4. On-Site Fleet DEF Refueling Solutions: Mobile DEF refueling options tailored to fleet yards and truck depots, minimizing the need for driver detours. Increases operational efficiency and supports large fleets in adhering to low-emission standards during refueling operations.
5. Airgas Total Gas Management Program: Comprehensive gas supply and monitoring service for fleet maintenance operations. Integrates DEF and other specialty gases with automated tracking and replenishment. Supports lean operations and emission compliance strategies.
6. Regulatory Compliance Support Services: Technical consultation and documentation assistance for meeting EPA and CARB regulations on diesel exhaust treatment. Helps fleets qualify for 2025 government clean air incentives through certified DEF use and storage practices.
7. High-Volume DEF Totes & Palletized Packaging: Offers 275-gallon and 330-gallon DEF totes optimized for high-demand fleet operations. Packaging ensures consistent product integrity and efficient transport for fleet hubs with heavy-duty diesel vehicles using SCR systems.
8. Fleet Customer Portal & Order Management: Digital platform for fleet managers to schedule deliveries, monitor usage, and manage DEF inventory across locations. Improves supply transparency and facilitates bulk ordering for multisite operations maintaining clean diesel compliance.
9. National DEF Distribution Network: Over 200 distribution points provide rapid DEF access across the U.S., reducing fleet refueling disruptions and ensuring high service levels. Supports coast-to-coast fleet operations aiming for consistent emission control.
10. DEF Quality Control and Testing Services: Periodic DEF sample testing to verify compliance with ISO 22241 purity standards. Helps prevent SCR system damage and maintains warranty protections for diesel vehicles. Ensures product consistency for fleets relying on clean diesel performance.

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Company Resources
White Papers - Company Exhaust Fluid Product Specification Sheet for Company Diesel Exhaust Fluid.