Renewable Fuel Standard

Protecting the Renewable Fuel Standard is a priority for officials from corn-producing states, as shown by this sign at an RFS rally in Iowa a few years ago.
File: Amy Mayer / Harvest Public Media

Updated Nov. 30 with EPA decision — Midwestern U.S. senators’ lobbying campaign paid off Thursday for farmers who supply the renewable fuel industry.

USDA Secretary Sonny Perdue (center) waits to welcome a new appointee to the agency. The event was also supposed to include the appointment of Iowa Secretary of Agriculture Bill Northey (left), but his nomination is blocked in the Senate.
Grant Gerlock / Harvest Public Media

An event Monday planned to mark two Midwestern political appointees joining the U.S. Department of Agriculture was partly spoiled by a political dispute over biofuels.  

Nearly all of the ethanol blended into U.S. gasoline is made from corn.
File: Grant Gerlock / Harvest Public Media

On a sweltering summer morning, Rob Mitchell surveys a plot of switchgrass at a research field near Lincoln, Nebraska. The grass is lush, green and nearly six feet tall.

“And it will get a couple feet taller than this,” says Mitchell, an agronomist with the U.S. Department of Agriculture. “So we’re putting on a lot of biomass right now.”