What AdBlue, SCR, and NOx Systems Do—and Why Deleting Them Is Risky Modern diesel vehicles use an emissions strategy called selective catalytic reduction (SCR) to cut harmful nitrogen oxides (NOx). The fluid commonly known as AdBlue (a high-purity urea solution) is injected into the exhaust stream, where it transforms NOx into harmless nitrogen and water….
Author: Freya Ólafsdóttir
Reykjavík marine-meteorologist currently stationed in Samoa. Freya covers cyclonic weather patterns, Polynesian tattoo culture, and low-code app tutorials. She plays ukulele under banyan trees and documents coral fluorescence with a waterproof drone.