Tenneco Inc.

例句：

1. 1. Tenneco is a leading oil and gas company in the United States.
   德纳科是美国领先的石油和天然气公司。
2. 2. The company has been expanding its operations across the globe.
   该公司一直在全球扩张其业务。
3. 3. Tenneco's decision to invest in renewable energy was praised by environmentalists.
   德纳科决定投资可再生能源，这一决定受到了环保人士的赞扬。