US tyre industry representative body the U.S. Tire Manufacturers Association (USTMA) reports that its Board of Directors has elected four new members. They are: Samuel Choi, chief executive officer and president, Kumho Tires USA; Marco Crola, chairman and chief executive officer, Pirelli Tire North America; Don Bunn, president and chief executive officer, Toyo Tire North America Manufacturing Inc.; and Tom Lehner, vice-president, Government Affairs, Bridgestone Americas, Inc. The appointments take effect immediately, with each new board member serving a three-year term.