In the past the country of Malvernia has relied heavily on imported oil  Malvernia recently implemented a program to convert heating systems from oil to natural gas  Malvernia currently produces more natural gas each year than it uses, and oil production in Malvernian oil fields is increasing at a steady pace
If these trends in fuel production and usage continue, ttherefore, Malvernian reliance on foreign sources for fuel is likely to decline soon
What proportion of Malvernia's total energy needs is met by hydroelectric, solar, and nuclear power.