Carmakers accused in huge UK lawsuits of cheating diesel emissions tests

Some of the world's biggest carmakers manipulated diesel emissions tests because they "would rather cheat than comply with ...

When The DPF Light Comes On, What Should You Try First?

The DPF is a critical emissions control component in modern diesel vehicles, but it can wear out over time. Here's what to do when the DPF light appears.

How pollution and the microbiome interact with Tregs, the immune system regulators whose discovery was honored with the Nobel Prize

Researchers are gaining insights into how external factors like air pollutants, diet and medications, and even microbes in ...
Opinion

U.S. diesel glut has mostly gone: John Kemp

U.S. stocks of distillate fuel oil are rapidly returning to normal, reversing the prodigious glut that built up earlier in the year during the first wave of the coronavirus epidemic and lockdowns.