US crude oil has fallen more than 22% since peaking in January. Oil extended its losses on Wednesday even as tariff pressures ...

Much of the U.S. uses single-stream recycling, where plastic, glass and paper go into one bin. Here’s what happens to that ...

The Asian nation is starting to look elsewhere for the liquefied petroleum gas that makes propane and plastics.

Wastewater heat-recovery systems are gaining momentum, as cities and building managers look to capture the energy from hot water.

Witness an incredible transformation as worn-out oil drums are recycled into everyday utensils. In this behind-the-scenes look, we follow the step-by-step process where old metal barrels are cleaned, ...