Environmental protection costs Costs for improvement (included in the total cost of 16.1 billion yen) 2.7 Effects of costs for improvement 3.0 Customer effects 35.8 (¥ billion) Low er electric energy expense from reduced product energy consum ption sidiaries and affiliates in Japan to include our main subsidiaries and affiliates outside Japan, as recommended under the February 2005 revision of Japan’s Ministry of the Environment’s Environmental Accounting Guidelines.