The fuel is derived from rotting refuse that San Francisco and Oakland residents and businesses have been discarding in the Altamont landfill since 1980. Since November, the methane gas created from decaying detritus at the 240-acre landfill has been sucked into tubes and sent into an innovative facility that purifies and transforms it into liquefied natural gas.
Almost 500 Waste Management Inc. garbage and recycling trucks run on this new source of environmentally friendly fuel instead of dirty diesel.
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