DieselExhaustFluid.com, featuring The Clean Diesel Store™, has joined with leading industry partners to create this one-stop, turnkey online resource to simplify procurement of clean diesel support equipment and diesel exhaust fluid (DEF). Our mission is to provide you with reliable service, competitive prices, best in class equipment and ultra pure diesel exhaust fluid when and where you need it. We welcome your questions and invite your feedback. We are here to help and to ensure that both your current and future needs are well-served.