DVSA UK Driving Theory Practice Test
DVSA Eco-Friendly Driving and Vehicle Loading 3
What does a catalytic converter do in a vehicle's exhaust system?
Select your answer
A
It increases engine power output
B
It reduces harmful exhaust emissions by converting toxic gases into less harmful substances
C
It reduces fuel consumption by recycling exhaust gases
D
It filters particulate matter from diesel engines only
Hint
