The best pre-workout supplements help power you through your workout without leaving you jittery. Here, a registered dietitian tested 12 popular options to find which ones came out on top.

Aliko Dangote says Africa will no longer import fertilizer within 40 months His $2.5 billion plant in Nigeria already makes the country a net exporter of urea Africa still faces challenges in potash ...

Exxon Mobil faces limited upside as oil prices fall post-peace talks, despite Pioneer deal and expansion in Guyana and Brazil ...

Morris Hoagland explores the ways produced water can be reused in and outside the oilfield and the opportunities this creates ...