Nissan's HR12DDR engine implies longevity for the internal combustion engine

The Nissan Leaf to be introduced for 2011 represents the future, but it is only one part of Nissan's two-pronged vehicle strategy. The other part of the company's plan is “Pure Drive,” aimed at developing vehicles with high-efficiency internal-combustion engines (ICEs), transmissions, and hybrid systems.

The EVs are surely on the rise, but the internal combustion engine (ICE) is not going away anytime soon. Witness Nissan who wants to make better cars, but also wants their cars to produce less CO2, to use less fuel, and to reduce their impact on the environment. So, after they introduced the Pure Drive badge, they created the HR12DDR engine.

A version of Nissan’s 1.2-L inline triple cylinder, the HR12DDR features direct fuel injection with two injectors per cylinder and an Eaton-supplied Roots supercharger. The engine also operates on the Miller (Atkinson) combustion cycle to achieve sub-100 g/km efficiency.

All part of Nissan’s Green Programme 2010

Aside from its philosophy that it takes a symbiosis of people, vehicles and nature to sustain a mobile society, Nissan’s Green Programme, first announced in 2006, is an environmental action plan based on three pillars: Reducing CO2 emissions; Protecting the atmosphere, water and soil; and Reducing, reusing and recycling.


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