Examlex
Which of the following will cause the largest reduction in the birthrate?
Engine Idling
The operation of an engine running at low speed while the vehicle is stationary.
Catalytic Converter Operation
The process by which a catalytic converter reduces harmful emissions from an engine's exhaust, by catalyzing a redox reaction that transforms pollutants into less harmful substances.
Fuel Delivery Control
The system or method used in managing the flow of fuel to an engine, ensuring the correct air-fuel mixture for optimal performance and efficiency.
Exhaust Gas Recirculation
A method to reduce nitrogen oxide emissions in petrol/gasoline and diesel engines by recirculating a portion of an engine's exhaust gas back to the engine cylinders.
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