When gas prices spike, filling up gets more painful. But consumers can do something to stretch their fuel just a little farther: Change the way they drive. “It’s a hard one to swallow, right? You ...

Researchers in Nigeria say water in diesel emulsions could significantly reduce nitrogen oxides and particulate emissions without major engine redesign. The approach may also preserve, and sometimes ...

Scientists discover that adding water to diesel fuel could slash nitrogen oxide emissions by 67% and particulate matter by 68 ...

Dirty fuel’ may sound scary. But here’s why we’re unlikely to see a wave of new disease with this temporary lift in sulfur ...