San Francisco Chronicle: Methane percolating out of the Altamont Landfill near Livermore could soon fuel the garbage trucks that dump trash at the site. Waste Management, North America’s largest garbage hauling company, today will announce plans to turn gas from the landfill’s rotting contents into a transportation fuel. A system designed and installed by German engineering company Linde will purify the gas and chill it to 260 degrees below zero, cold enough for the gas to turn into a liquid. Waste …