EnergiFuel could soon become a deflationary forceFears that an economic slowdown will undermine demand are driving prices lower.Fuel, a major driver of the decades-high inflation rate over the past year, could soon actually start to be a deflationary force in the economy.Foto: Marcio Jose Sanchez/AP/NTBJustin Jacobs (FT)Amanda Chu (FT)Derek Brower (FT)Myles McCormick (FT)