Monterrey, Mexico Taps Methane to Power Its Metro System
In Mexico, methane from landfills, a natural byproduct of decomposing organic matter known as landfill gas, or LFG, makes up 10 percent of all greenhouse gas emissions. Beginning in 2001, Monterrey, Mexico—a modern city of nearly four million people that disposes of over 4,500 tons of municipal solid waste a day in the Metropolitan […]
