Sen. Amy Klobuchar to introduce $500 million biofuels infrastructure bill In a press conference Monday, Sen. Amy Klobuchar, D-Minn., spoke of the legislation she is working on to advance biofuel blends by making infrastructure investments available and by working with the EPA to expand the market for biofuels. Written By: Michael Spieker | × Sen. Amy Klobuchar, D-Minn., plans to introduce legislation to boost infrastructure for biofuels, among other efforts to improve the market for the alternative fuels. Jonathan Ernst / Getty Images / TNS Sens. Amy Klobuchar, D...