Reuters: Chilean President Michelle Bachelet signed a new energy law into effect on Thursday that requires electric utilities to invest in and supply nonconventional energy sources (NCES). The vanguard law is an attempt by the energy-poor country to diversify supply as it tries to feed booming industry, particularly its copper mining sector. The law mandates that NCES account for at least 10 percent of the energy supplied by Chile’s electric utilities by 2024, and was approved by …