Nissan produces a gasoline engine realizing fuel economy performance equivalent to diesel from 2017

ByMIKI Yoshihito

Nissan Motor announced that it is planning to launch a new gasoline engine that combines high power and low fuel consumption in 2017. This engine will be released at the Paris Motor Show held in October 2016 and then began production at the Yokohama Plant in 2017,Infinity QX 50It is scheduled to be installed.

Nissan On Gasoline Engine Breakthrough: Diesel Obsolete - The Daily News Grabber
http://www.thedailynewsgrabber.com/nissan-on-gasoline-engine-breakthrough-diesel-obsolete/


Nissan to introduce the new gasoline engine next year High fuel efficiency as good as diesel with high horsepower (1 / 2page) - SankeiBiz (Sankei Biz)
http://www.sankeibiz.jp/business/news/160815/bsa1608150500002-n1.htm

Nissan to start production of a new engine next year at the Yokohama Plant - Change in compression ratio freely | Automobile / Transport Equipment News | Nikkan Kogyo Shimbun newspaper electronic version
http://www.nikkan.co.jp/articles/view/00396210

This new engine is called "Variable compression engine (VC engine)", and by changing the compression ratio according to driving conditions, it is possible to keep the balance between power and fuel efficiency optimum. The technology to change the compression ratio is the first in the world.

In general, the compression ratio of naturally aspirated gasoline engines is often set around "10: 1" to prevent abnormal combustion, but in VC engines, when driving at high speed, it is said to be "limit of gasoline engine" 14 : 1 ", it is possible to raise the compression ratio. This increases combustion efficiency and improves fuel economy. On the other hand, it seems that the compression ratio can be reduced to 8: 1 when acceleration is likely to cause abnormal combustion.

The displacement of the VC engine is 2000 cc and the output is 270 hp. Diesel engine is better than gasoline engine, but this VC engine realizes fuel efficiency as high as diesel engine by improving fuel economy by about 30% compared with conventional gasoline engine .

Nissan plans to install VC engine first in "Infiniti" SUV model "QX50", after that, the lineup of onboard models will be expanded.