To reduce CO2 emissions, Nissan continues to develop technologies to improve fuel efficiency in internal combustion engine technologies and bring them into the market. One special area of focus is expansion of our PURE DRIVE series of cars with low CO2 output.
Approach for CO2 emission reduction
Average CO2 Emissions of New Passenger Cars
(Japan, EU, USA)
Nissan discloses fuel-consumption data for its vehicles in accordance with the measurement standards in each country, and in developing technology is always mindful of the potential effects emissions can have on society.
In Japan, for example, the figures used for fuel efficiency in our product literature are those determined with the 10-15 mode, a measure of fuel efficiency established by the Ministry of Land, Infrastructure and Transport.
When developing technology to raise fuel efficiency, we use not only these official standards but also internal standards we have established which take into consideration fuel consumption in actual use. This is average fuel consumption in a range of driving conditions based on customer surveys of actual driving in city, highway, and heavy-traffic conditions.
The basic unit of environmental friendliness is fuel economy in Japan and North America and CO2 emissions in Europe. To achieve the regulatory standards in each region, we estimate companywide averages by multiplying average fuel consumption (Japan and North America) or CO2 emissions (Europe) by the number of vehicles sold annually. This helps us to set targets to meet regulatory standards in each region and reduce overall CO2 emissions.
The graph below shows average annual CO2 emissions, calculated based on the actual number of new Nissan passenger vehicles sold in Japan, United States, and Europe.
Innovations in engine technology
- Almost ZEV(zero emissions vehicle)
- PZEV (partial zero emissions vehicle): Certification issued by the California Air Resources Board in the United States
- BIN5: US emissions standard
- Euro6: European emissions standards level 6, to come into effect in around 2014
- Euro5: European emissions standards level 5, to come into effect in 2009
- BIN10: US emissions standard
In addition to meeting the increasingly strict emissions standards for gasoline engines set by each country, Nissan has set itself the goal of achieving a 30% reduction in CO2 emissions from internal combustion engines by 2015 by promoting a variety of technological innovations that raise fuel economy. As for diesel engines, which already emit little CO2, we have set the goal of reducing exhaust emissions by 90% from current levels. We are constantly striving to develop technologies that reduce emissions from gasoline and diesel engines.
