In the 1960s, the US government came up with an experimental plan supported by the oil companies to try using nuclear explosions to extract natural gas in the American West. The tests set for Wyoming were known as the Wagon Wheel Project. 　　译文(3): 20世纪60年代，美国政府提出了一项由石油公司支持的实验计划，试图在美国西部使用核爆炸开采天然气。怀俄明州的测试被称为车轮项目。