MANKATO, Minn. — Twenty years ago, Minnesota farmers helped make history. In the fall of 2005, the state became the first in the nation to require a biodiesel blend in its diesel fuel, which was a ...
Truck driver Randy Walker fills his rig's tanks with biodiesel fuel at a gas station in the town of Nevada, Iowa, December 6, 2007.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results