On July 1, 2000 Vietnam took animportant environmental step by switching to ULG (Unleadedgasoline) virtually overnight. This report describes theprocess that lead up to this decision. It also discussesissues that Vietnam encountered as it proceeded to eliminateLG (Leaded gasoline). After a description of the initialattempts to eliminate leaded gasoline (LG) which began withthe passage of transport-related environmental regulationsin 1995, chapter 1 discusses: the health impacts of lead;lead levels in Vietnam; automobile and motorcycle fleetgrowth; gasoline consumption and imports; and domesticrefining. Chapter 2 describes the initial efforts, technicaland financial constrains. Chapter 3 reviews governmentleadership and consensus building. Chapter 4 relatespreparations for implementation; and chapter lessons learnedfor others countries. The report also contains: technicalspecifications for ULG; official laws and decrees; and listsa timetable of decisions and events. In switching to ULG,Vietnam has shown environmental leadership and concern forthe health of its citizens. The authors commend theGovernment of Vietnam for its commitment and for theexpedience with which the switch was made. By its positiveexample, Vietnam can help persuade countries which still useLPG (Leaded gasoline) to switch to ULG (Unleaded gasoline)and to remove one of the most serious, and truly avoidable,human threats.