Clint Stoutenburg leans over his John Deere planter to point out the complexities of the machine at his family farm in Sandusky, Michigan. He wants the right to fix his equipment because he finds ...

Tractor maker John Deere faces a federal lawsuit that accuses the company of illegally forcing farmers to use only authorized dealers for critical repairs, boosting its multibillion-dollar profits.

Lawn mowers will smoke sometimes, and the cause is usually something benign you can fix on your own. Take note of the color of the smoke to diagnose the issue.