What is the typical AdBlue consumption ratio for diesel vehicles?
Most modern diesel vehicles consume AdBlue at a rate of 2-8% of fuel consumption, with passenger cars typically at 2-4% and heavy trucks at 4-8%. See also our calculate Vehicle Scrapping Savings Total Scrap Value.
Do you still need AdBlue when switching to HVO?
Yes, HVO (Hydrotreated Vegetable Oil) still requires AdBlue for NOx emission control as it burns in diesel engines that use SCR systems.
How often should I refill the AdBlue tank?
AdBlue refill frequency depends on consumption rate and tank size. Most vehicles need refilling every 3,000-10,000 miles or during regular service intervals.
What factors affect AdBlue consumption rates?
AdBlue consumption depends on engine type, driving conditions, load, NOx conversion efficiency, and exhaust gas temperature. Highway driving typically uses less than stop-and-go traffic.
Can I calculate AdBlue costs for my entire fleet?
Yes, multiply individual vehicle consumption by fleet size and current AdBlue prices. Consider bulk purchasing discounts for larger fleets.
Why are AdBlue system failures a growing issue?
AdBlue system failures often result from poor quality fluid, crystallization, contamination, or sensor malfunctions. Regular maintenance and quality AdBlue prevent most issues.
What is the standard DEF concentration?
Standard Diesel Exhaust Fluid (AdBlue) contains 32.5% urea in demineralized water. This concentration is optimized for SCR system performance and freeze protection.