Healthy engine oil should be light brown, so if yours is black, you may be wondering if it's time for an oil change. Here's ...

Halliburton’s greater short-cycle exposure than its Big Three peers means its stock price should recover more quickly when oil prices rise again. While the number of crews actively fracking US shale ...

The global liquefied petroleum gas (LPG) market is facing an upheaval as high tariffs on U.S. imports force Chinese buyers to ...

When shopping for motor oil, you'll probably notice that some are mineral while others are synthetic. What's the difference ...

China's privately controlled ENN Natural Gas and state-run Zhenhua Oil have each signed a term deal to buy liquefied natural ...