Politico: The biomass energy lobby sees itself as the Rodney Dangerfield of renewables, never getting the same love — or tax breaks — as the new boys on the block: wind, solar and geothermal. No matter that its backers include billionaire Sam Zell or the powerful Fanjul sugar family in Florida. “Biomass gets no respect,’ reads a recent edition of Power magazine; federal policy has seated the industry in “the caboose of the [energy tax credit] gravy train.’ But when the Senate Finance …