Fragmenting your data across many Excel tabs is a common habit that silently kills file performance, introduces hidden errors, and turns reporting into a tedious chore. Here's why you need to stop.

Heating oil prices are spiking this month as crude hit $120. With 4.8 million homes relying on it, now is the time to find ways to save.

The Arab oil embargo of the 1970s was a nightmare scenario. But even falling short of that could be painful for the US and global economy.