Greenfield says US military should use more biofuels

Theresa Greenfield, the Iowa Democratic Party’s nominee for the U.S. Senate, says federal policy should expand the use of biofuels in boats and planes. “Ask the Department of Defense to use biofuels as part of a reduction of their carbon footprint, too,” Greenfield says. “…There’s enormous opportunity there.” The Pentagon has set a goal of […]