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Diesel exhaust is the exhaust gas produced by a diesel engine, plus any contained particulates. Its composition may vary with the fuel type, rate of consumption or speed of engine operation (e.g., idling or at speed or under load), and whether the engine is in an on-road vehicle, farm vehicle, locomotive, marine vessel, or stationary generator ...
When starting from cold, the engine's combustion efficiency is reduced because the cold engine block draws heat out of the cylinder in the compression stroke. [67] The result is that fuel is not burned fully, resulting in blue and white smoke and lower power outputs until the engine has warmed.
The oily exhaust pipe is therefore a "wet stack". This condition can have several causes. The most common cause is idling the engine for long intervals, which does not generate enough heat in the cylinder for a complete burn. "Idling" may be running at full rated operating speed, but with very little load applied. Another is excessive fueling.
"The more you idle, the more exhaust is released," she says. ... Experts say there are a few things to keep in mind when it comes to idling. If it's not overly hot or cold, the DOE says it's best ...
Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue [3]) is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water .
A heated air inlet or warm air intake is a system commonly used on the original air cleaner assemblies of carburetted engines to increase the temperature of the air going into the engine for the purpose of improving the consistency of the air/fuel mixture to reduce engine emissions and fuel usage. [1]
When hosting a dinner party, lingering odors from long hours of cooking in the kitchen can be an issue. Cooking odors from fish, onion, garlic, burnt foods and fried foods can last especially long.
Exhaust emissions can be reduced by making use of clean vehicle propulsion. The most popular modes include hybrid and electric vehicles . As of December 2020 [update] , China had the world's largest stock of highway legal plug-in electric passenger cars with 4.5 million units, representing 42% of the world's stock of plug-in cars.