Watch massive fire-burning iron beasts from the early 20th century come back to life at an antique tractor show to blow off ...

Tractor and John Deere can almost be used ... the plows and needing to be constantly scraped off. This led Deere to create a steel plow, which legend says Deere fashioned from a broken saw blade.

The next time you pass a farm tractor ... plow can cost as much as $500,000, which suggests an added $50,000 for an autonomous version. That could irk some farmers, especially those at odds with ...