Understanding what twin turbos actually do, how they are configured, and where their efficiency gains are won or lost is ...

A turbocharger is the best power-adder by far. Not only do turbos harness otherwise wasted exhaust energy to drive the compressor, their modular nature lets compressor and turbine housings and wheels ...

Although Subaru didn't invent flat engines, and isn't the only automaker still using them, those motors have become a defining characteristic of the brand. (The same can be said for all-wheel drive, ...

The downsizing of engines by carmakers is a strategy that's now all too familiar. Over the past decades, many automakers have had to shrink their engine sizes as part of efforts to comply with ...