Former NASCAR driver and team owner Dale Earnhardt Jr. has targeted the sport's Next Gen car for having a diffuser, ...

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 ...

From heritage automakers developing personal perfumes to high-end fragrance houses launching dedicated car diffusers, scent has become a new frontier for the automotive experience. The market for ...