Petrobras and Vale tested marine fuel made with used cooking oil aboard the Luise Oldendorff, marking a major step toward ...

Who cares if it's a blend or refined vegetable oil? Well, if you haven't before, you'll very much care the next time you go out shopping. This tiny, but crucial detail actually makes a big ...

People have preached the benefits of cooking with premium olive oil. But that's easier said than bought. Top-shelf olive oil, like extra virgin olive oil (EVOO), is often pricey, but cheap olive ...