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Find out how Citroën's HDi diesel engines help to minimise environmental impact.
Citroën's HDi diesel engines use common rail technology, in which just one rail supplies all the injectors with fuel at very high pressure. This electronically controlled system optimises the air-fuel mix in all conditions of use, significantly reducing both fuel consumption and CO2 emissions.
The latest-generation common rail system sets even higher standards in precision and efficiency. HDi diesel engines stand apart for their recognised qualities, including: reliability, acoustic comfort, low fuel consumption and reduced CO2 emissions.