Ore. - At Blue Fox Farm, the tractor is old but the fuel is new. Like a small but growing number of organic farmers around the country, Chris Jagger has converted an old Allis-Chalmers Model G tractor ...
A turn of the ignition says all the machine needs to say. Sixteen pistons vibrate a body that weighs over 100,000 pounds. Twin plumes of black diesel smoke flee silver exhaust pipes above the cab.