China has been hit by another major food scandal, this time involving cooking oil in chemical tanks. State media found tank trucks were delivering chemicals and edible oil interchangeably without cleaning. The report has ignited backlash and calls for ...

Vegetable oils are everywhere, and almost everyone has an opinion about them. From clever marketing in supermarket aisles to headlines about deforestation, they have become both the heroes and villains of the modern diet.

We followed the trail of grease from the kitchens of Le Diplomate and other D.C. restaurants to the commercial planes using alternative fuels.