The reduction would be 3.5 times deeper than the government-set goal of an 8.6 percent cut for industries as part of Japan's drive to reduce greenhouse gases under internationally-agreed rules, the Nihon Keizai Shimbun said.

Honda plans to achieve the large reduction by March 2011 by consolidating production processes, introducing solar power and changing fuel for boilers from petroleum gas to more eco-friendly liquefied natural gas, it said.

Under the Kyoto Protocol, the landmark UN treaty on global warming, Japan must cut greenhouse gas emissions six percent by 2012 from the 1990 level.

Japanese industries are making voluntary efforts to reduce carbon dioxide as they strongly oppose the idea of introducing taxes on gasoline or other pollutants to help achieve the Kyoto goal, the economic daily said.

No comment on the report was immediately available from Honda.

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