Skittish about the stock market and credit crisis? There's another place to park your money: collectible tractors. The sector is growing like never before — it has even attracted European investors.

Electric tractors are on their way to work in rural Oregon. They are part of a project to expand electrification in the transportation sector, a demonstration to prove out operational and other ...

Scientists may have discovered how to create a real-life tractor beam using electromagnetic radiation that can draw particles toward it. The result is something very akin to the tractor beam seen in ...