Diesel exhaust
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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, and wheth
British Rail Class 55 Deltic diesel locomotive with their characteristic dense exhaust when starting a train.
Heavy truck, with visible particulate soot.
Air pollution 3
Diesel particulate filter
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A diesel particulate filter is a device designed to remove diesel particulate matter or soot from the exhaust gas of a diesel engine.
Diesel exhaust
…the overall mixture which is lean). The rich mixture has less air to burn and some of the fuel turns into a carbon deposit. Modern car engines use a diesel particulate filter (DPF) to capture carbon particles and then intermittently burn them using extra fuel injected directly into the filter. This prevents carbon buildup…
Diesel particulate filter of a school bus
A diesel particulate filter (top left) in a Peugeot
Off-road – DPF installation
Cordierite Diesel Particulate Filter on GM 7.8 Isuzu