DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions. Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations ...

A contributor to CarBuzz since April 2025, Ben also was a finalist in The Intercooler Young Writer Compition in 2021, has done a placement with AutoCar, and runs his own independant automotive blog.

Under certain conditions, the water in DEF can evaporate, leaving behind white crystal urea deposits. Over time, these crystals can build up, clogging system components and interfering with normal ...