Boston Herald: Townsend Oil & Propane is so eager to comply with a new state law to blend heating oil with biofuels that it may be getting ahead of the game. Next year, all home-heating oil delivered in Massachusetts has to contain a 2 percent blend of biofuels made from organic materials such as wood chips, switch grass, corn husks and other low-carbon-burning products aimed at reducing pollution. So the Danvers-based Townsend Oil next month will become one of the first firms to start …