Walter Kaczmarek and Theresa Kaczmarek v. Allied Chemical Corporation, United States Steel Corporation, and Ever-Tite Coupling Company, Inc.

POSNER, Circuit Judge.

The plaintiffs in this diversity suit, Walter Kaczmarek and his wife, appeal from a judgment entered on a jury verdict for the three defendants, Allied Chemical Corporation, United States Steel Corporation, and Ever-Tite Coupling Company.

In 1979 Kaczmarek was employed by Willett Transports, an Indiana company, as a driver of tanker trucks that transport acid or other hazardous chemicals. He had been driving such trucks for nine years and had been working for Willett for a year and a half. On the day of the accident, he first drove to Indiana from his home in Illinois to…