Liquefied natural gas
By Silvio Marcacci on December 27, 2011
A typical American throws out about four pounds of trash per day, or more than 240 million tons every year. Most of that garbage winds up in landfills and releases methane as it decomposes. But what if that gas could be harnessed as a clean energy source for vehicles?
energyNOW! correspondent Peter Standring visited a California landfill to see how one waste disposal company is turning trash from landfills into clean-burning fuel for trash trucks.