Cold mornings have a way of exposing every weakness in a car. Batteries feel sluggish, engines sound rough, and drivers fall ...

Car and truck engines have evolved considerably since the early 20th century, and today's cars have stricter tolerances than ever when it comes to additives.

China has unveiled a new type of air-breathing engine that could replace today’s turbine-ramjet systems, and reshape how future fighter jets and missiles achieve hypersonic speeds. The so-called ...

A Delta Air Lines flight bound for Atlanta returned to São Paulo on Sunday evening because of an engine issue, the airline said. Delta flight 104, an Airbus A330-300, returned to São Paulo ...