The diffuser is a chunk of bodywork low on a car’s rear end, usually shaped to manage airflow, improve aerodynamics, and—let’s be honest—look bitchin’. Bugatti’s new Tourbillon super-coupe’s massive ...

After Mercedes completed the first laps with its 2026 F1 car, much attention was drawn to a hole in the diffuser, but what is ...

Flame-free and available in just as many scents as scented candles, fragrance diffusers are the primary source of scent in my home. I have both reed diffusers and electric diffusers stationed in every ...