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Objectives of the Japan Clean Air Program (JCAP)

Although Japan has been implementing one of the most stringent automotive emission regulations in the world, further decrease in automotive emissions is required to achieve better air quality and environment. For the sake of complying with such demand, it is necessary to develop intelligent measures by using both the automotive and fuel technologies.

The U.S. and Europe, having similar problems to Japan, are carrying out air quality improvement programs by combining automotive and fuel technologies: the Air Quality Improvement Research in the U.S., and the Auto Oil Program (AOP) in Europe. For successful achievement of such programs, the analysis and investigation based on national and regional conditions are required, since the target substances for effective reduction of air pollution differ by nation and region.

Therefore, the Petroleum Energy Center, in collaboration with automobile and oil industries in Japan, launched the Japan Clean Air program (JCAP) to estimate the future atmospheric environment and to investigate the most cost-effective combination of measures for the improvement of its air quality based on an analysis of the nation's unique social, industrial, geographical, and meteorological conditions.

The Japan Clean Air Program (JCAP) is being promoted targeting the best solutions for Japanese air quality improvement by applying the most advanced automotive emission control technologies and fuel qualities.