or low-pressure indication on an oil pressure gauge are signs that the oil level is extremely low, the pump is not operating at normal speed or there’s a related problem that needs prompt attention.

Neither OPEC nor US shale firms appear willing to increase oil supply, despite President Trump's pledge to bring down energy ...

In the US alone, there are thousands of miles of pipelines carrying crude oil and other petroleum ... length of the pipeline to adjust the pressure, pump the product along the line and monitor ...