A heat wave sweeping across Southeast Asia is making offices even warmer, as workers continue to adjust to energy-saving measures put in place by governments due to the war in Iran. Trucks used in a road test of Indonesia's B50 biodiesel program in April. Photographer: Eko Listiyorini/Bl (Bloomberg) — A heat wave sweeping across Southeast Asia is making offices even warmer, as workers continue to adjust to energy-saving measures put in place by governments due to the war in Iran.