Clean Ayr and its sister company US-DEF® are sponsors at the 2026 North American DEF Conference, 9/14~9/16 at the Omni in Frisco,
Clean Ayr Adds DEF Wet Hosing for On-Site Fueling Needs
Clean Ayr has added wet hosing to its DEF delivery services. Our drivers now deliver DEF to some of the most complex
New Truck, Greater Reach
Clean Ayr continues to expand its DEF delivery and DEF equipment services across North, Central, East and West Texas. Clean Ayr’s newest
Special Spring Dates
Clean Ayr will be providing all normal deliveries/services on Good Friday (4/3) and Easter Monday (4/6). However, if your company has regularly
Spring Logistics & Scheduling Upgrades
ADI has moved its back-office support to a platform developed by BizSpeed (http://www.bizspeed.com). We have worked closely with them to onboard our
Easy Ordering Process
Anyone can order or request a quote from Clean Ayr for bulk diesel exhaust fluid (DEF), packaged US-DEF, DEF equipment, fuel additives,
Growing Staff & Technology
Ms. Mary Conner joined the Ayr Data family of companies in early October as its new Finance & Operations Director. She has
US-DEF – Diesel Exhaust Fluid Designed to Capture the Retail Market
PRESS RELEASE 9/17 9/10/24 ID: Nationwide Press Release DATE: Sept 17 7:00AM EST US-DEF is Making Americans Proud Again Diesel Exhaust Fluid
Guaranteed Quality DEF
September 10, 2024 The right concentration of 32.5% Urea in DEF for diesel engines is important. “Clean Ayr has increased quality controls
Mansfield Oil’s DeliveryONE Expo
August 26~28, 2024 Clean Ayr attended Mansfield Oil’s DeliveryONE (D1) Expo at the Gaylord Opryland in Nashville, TN. “The D1 National Distribution







