npr:

Used restaurant grease has become a hot item for thieves, who siphon it  from barrels behind restaurants to sell on the booming biofuels market. (via Restaurant Grease As Good As Gold To Biofuel Thieves: The Salt)
Photo: from grease to fuel (by durhamskywriter)

npr:

Used restaurant grease has become a hot item for thieves, who siphon it from barrels behind restaurants to sell on the booming biofuels market. (via Restaurant Grease As Good As Gold To Biofuel Thieves: The Salt)

Photo: from grease to fuel (by durhamskywriter)