Smart Fortwo CDI
The Smart Fortwo is a rear-engined two-seater city car. The Smart Fortwo is a rear-engined two-seater city car. The name refers to its seat capacity.
Cdi has the world's smallest production car diesel engine, which uses common-rail direct injection. With a consumption of 3.3 litres (NEDC) per 100 kilometres and CO2 emissions of just 88 grams per kilometre, it has the lowest current production car CO2 emissions worldwide, since Audi's and Volkswagen's retired "3 litre" cars, the A2 1.2 TDI and the Lupo 1.2 TDI respectively.
Source: Wikipedia, 2011.