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 ...

Diesel-powered vehicles require diesel exhaust fluid to reduce engine emissions, making them less harmful to the environment and safer to drive.

When gas prices go up, it adds to drivers' pain at the pump. But experts say consumers can do something to stretch their fuel just a little farther — change the way they drive.

Birds. Some are sacred. Some are deadly. Some are delicious. They can fly, float, swim and sing. Science suggests these magnificent creatures descended from dinosaurs. But when their droppings descend ...