To separate emails with commas. Answered November 28, Love it or hate it That article ended up as our fourth most popular piece of the year. All other passenger-car diesel engines on the market today feature a urea-injection system to help meet EPA emissions standards.
How does urea remove NOx from diesel exhaust?
How Pee Could Have Kept Volkswagen’s Nose Clean
For the rest of us, there's a reason the word urea sounds like urine—it's the basis of mammal piss, including yours. These small particles penetrate deeply into sensitive parts of the lungs and can cause or worsen respiratory disease, such as emphysema and bronchitis, and can aggravate existing heart disease, leading to increased hospital admissions and premature death. Have you ever been stuck behind an old dump truck and watched as your world disappeared in a huge black cloud? Answer See 7 answers Report question. Volkswagen makes everyone thinking about "Safe". Answered January 23,