Total SA senior executives Momar Nguer, president of Total Marketing Services SA (TMS) and Philippe Montanteme, senior vice president for TMS strategy marketing research, have joined the board of natural gas transportation fuel provider Clean Energy Fuels Corp. Total is the largest shareholder in the Newport Beach,CA-based business, gaining a 25% interest after investing $83.4 million earlier this year T. Boone Pickens, 90, who founded Clean Energy, will continue as a director emeritus.