Since 2002, BMW's assembly plant in Spartanburg, SC has been using methane captured from a nearby landfill site to fuel electrical generators. As part of the current expansion of the plant to support the addition of X3 production, BMW has invested another $12 million to expand power generation from methane. The original system of four turbines has been replaced by two larger, more efficient turbines. The result is that the turbines can now generate 30% of the plant's electricity needs from the s
Landfill Methane Capture
Trash hauling and burying company Waste Management Inc is going to spend $400 million over the next five years to generate power at sixty of the landfill sites they run. Methane in the atmosphere has greenhouse effects ten times greater than carbon dioxide and a lot of it is generated from decomposing garbage in landfills. WMI will be installing equipment to capture the methane and use it to power electrical generators.