Diesel Exhaust Fluid

Since 2010, Blue Sky has been providing the highest quality diesel exhaust fluid to satisfied customers throughout North America. Produced using deionized water and our proprietary reverse osmosis water purification system that exceeds stringent ISO 22241 and American Petroleum Institute standards, Blue Sky DEF prevents SCR breakdown, reduces harmful nitrogen oxide emissions by 90% and even improves fuel efficiency by up to 8%. Our representatives work with you to develop customized DEF programs and strategies to meet your needs, regardless of whether you are in charge of a modest truck fleet, a large rail or marine business, a sprawling power generation station, or anything in between.