Emission control systems in modern cars have slashed air pollutants such as particulate matter and nitrogen oxides. But these systems face two major challenges: carmakers cheating on pollution tests ...

Catching a cheating husband or boyfriend might come down to one oddly specific behavior, according to a Private Investigator. Cassie Crofts has seen it all when it comes to affairs and has busted ...

What do defective ignition switches, shrapnel-spewing airbags, excessive diesel emissions, and overstated fuel economy ratings have in common? They all make automakers look like companies you can't ...