Blue1USA has promoted Dan Crowder to National Fleet Account Executive.According to the company, Crowder has over 20 year’s sales experience developing relationships with fleet owners of all vocations. He is now responsible for all petroleum and DEF equipment solutions nationwide.Blue1USA is a nationwide provider of DEF storage and dispensing solutions and is the sister company of EZ Fuel, which has been providing aboveground fleet fueling equipment to heavy-duty fleet owners for over 20 years.