What is the fine-grained topic of the following text: Tariffs on U.S.-made cars and light trucks will be temporarily reduced to 15 percent from Jan. 1 until March 31, which temporarily brings tariffs on U.S. exports in line with other World Trade Organization member countries, said Kristin Dziczek, vice president of industry, labor & economics at the Center for Automotive Research. Only return the topic.
Temporary reduction of tariffs on U.S.-made cars and light trucks