Mitsubishi Motors Corp. plans to reduce heavily discounted sales to large corporate customers in the North American market, the Nihon Keizai Shimbun reported without citing sources, as reported by Forbes Magazine. Mitsubishi Motors will cut fleet sales to car rental companies and firms from 18 percent of the total in the past year to March to 12 percent in the current financial year ending Mar. 2007, the business daily said. In a bid to boost profitability, Mitsubishi Motors also plans to decrease sales incentives for fleet sales and strengthen marketing for sales to individuals. It aims to boost overall sales in North America by 16 percent to 181,000 units in the current fiscal year — the first increase in four years.