Today's diesel fuel lacks much of the natural lubricity that diesel fuels once offered, taking a potential toll on fuel ...

Modern cars are packed with software tricks and quick workarounds that promise to save money, quiet odd noises, or squeeze ...

Valvoline says its testing shows Restore & Protect oil has the ability to free stuck piston rings in addition to removing deposits. This conclusion came after more than 500,000 miles of testing at ...

Carbon build-up reduces fuel economy by restricting airflow into the engine, disrupting the fuel spray pattern from inje ...

In the endless pursuit of faster, more efficient travel, engineers have been cooking up all kinds of new forms of propulsion. One of the most interesting to emerge in the last decade is the electric ...

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 ...

Engine auto stop-start—let’s call it ESS—has become an exasperating example of how a small compromise can combust into a cultural grievance. It’s a feature designed to save a little fuel and reduce ...

The U.S. ad rollout of ChatGPT ads is “iterative,” according to OpenAI’s COO. The early-stage push to monetize ChatGPT’s massive free user base will evolve gradually as the company works to refine the ...

Over the course of its lifetime, a vehicle with an unreliable engine could end up costing drivers a small fortune in maintenance. In fact, according to J.D. Power, a typical engine replacement could ...

Vehicles, like every other mechanical body of work that has ever been put together, require regular maintenance to stay in optimal shape. The magic is in the boring details; Routine procedures like ...