This actively managed fund offers investors low-cost exposure to U.S. and non-U.S. companies that are principally engaged in energy-related activities, such as production and transmission of energy or energy fuels, the making of component products for such activities, energy research, and energy conservation or pollution control. In addition, the fund may be invested up to 100% in foreign securities, which can be more volatile than domestic holdings. Returns may vary widely from year-to-year, so this fund may be considered complementary to a diversified portfolio with a long-term time horizon.Effective May 12, 2026, the fund’s name will change from the Vanguard Energy Fund to the Vanguard Energy Opportunities Fund. The fund's investment objective, strategies, and policies will remain unchanged.