
Vehicles use urea primarily to reduce harmful nitrogen oxides in exhaust gases into nitrogen and water. It is generally used in diesel vehicles. There is a dedicated urea tank in the vehicle, where the urea solution is filled. As long as the vehicle is running, urea will be consumed, so it needs to be replenished in time. Typically, about 4 liters of urea is consumed per 100 liters of diesel. The exact amount depends on factors such as engine displacement, model, manufacturer, etc. Different road conditions and load weights can also affect urea consumption. Below is relevant information: 1. Introduction to vehicle urea: The scientific name of vehicle urea is Diesel Exhaust Fluid (DEF). It is commonly used in diesel engines as part of the SCR (Selective Catalytic Reduction) technology to reduce nitrogen oxide pollution in diesel vehicle exhaust. Its composition is 32.5% high-purity urea and 67.5% deionized water. 2. Reason for adding urea in diesel engines: Since diesel engines emit polluting nitrogen oxide gases during operation, which are harmful to the atmosphere and human health, prolonged exposure to such gases can cause respiratory diseases. To mitigate the damage to the atmosphere and humans, when urea encounters nitrogen oxides emitted by diesel engines, a chemical reaction occurs, converting the nitrogen oxides into nitrogen and water for emission.

AdBlue fluid is crucial in diesel vehicles. As a DIY-loving car owner, I always check the AdBlue tank during refueling. Usually, there's a small blue-cap opening near the driver's seat or rear – just pour dedicated solution cans directly in (never confuse it with the fuel tank!). I recommend topping up every 5,000 km or so. The system alerts with a warning light when levels drop. If empty, the car starts but loses power, especially problematic for long trips. Standard AdBlue jerrycans are available in stores – use a funnel to avoid spills. In cold climates, opt for winter-grade antifreeze versions to prevent freezing blockages. Overall, it benefits vehicle emissions control by reducing exhaust pollution.

As a novice driver, I didn't understand how to use urea water when I first drove a diesel car, but later found out it's quite simple. Just buy bottled AdBlue solution, get a canister from a 4S shop or gas station, locate the small filler port on the vehicle's side (usually marked with a blue cap), and pour it in until it overflows. Remember to check the fluid level gauge weekly and top up promptly when low. Ignoring it may cause the engine to limit speed, affecting safety. Pour slowly to prevent splashing and don't be nervous; the benefit is it helps reduce nitrogen oxide emissions, making the car run smoother.

I use urea water primarily for environmental protection, feeling good about contributing to cleaner air while driving. It utilizes AdBlue liquid in diesel vehicles to treat exhaust emissions. Before each trip, I simply check the tank level and top it up with the dedicated solution if it's low, pouring it into the designated filler port carefully to avoid any mishaps. It's quite hassle-free, helps the vehicle run more efficiently, and reduces environmental impact.

Driving trucks for half a lifetime, refilling urea solution is routine. Whenever I stop at service stations on the road, I always keep a couple of AdBlue barrels handy. Locate the small filler port near the truck cab and pour it in quickly to avoid spills. On long hauls, check the fluid level in advance—keeping it at 90% full is safe. Ignoring the warning light slows the truck and delays the trip. Wipe the handle clean after pouring to prevent slipping. My advice: stock up more in summer as it evaporates easily, which is good for emission control.


