Biofuel fraud case puts industry under scrutiny

On its website, Clean Green Fuel offered customers "a unique blend of biodiesel" made from vegetable oil that would produce less air pollution and help reduce the nation's dependence on petroleum.

But according to federal charging documents, company owner Rodney R. Hailey didn't produce any biodiesel. Instead, prosecutors charge, he generated and sold more than $9 million worth of credits for nonexistent renewable fuel, using the proceeds to buy a five-bedroom house in Perry Hall, diamond jewelry and more than two dozen cars and trucks, including a Rolls Royce, a pair of Bentleys and a Lamborghini.

Hailey, 33, of Perry Hall, is scheduled to be arraigned Thursday in...