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 ...

Which car essential-oil diffuser is best? If you use your car for many different activities and would like it to smell fresh and clean, consider purchasing a car essential-oil diffuser. Whether you ...

Milan 2015: design studio Outofstock has created a series of dip-dyed scent diffusers from an extruded ceramic material usually used for filtering exhaust fumes in cars, motorcycles and trucks.

Aerodynamics plays an important role in a vehicle's handling, especially when a vehicle is at speed. The faster a car goes, the more air interacts with elements like the bodywork, front and rear wings ...