PH Explains

'PH Explains' is a new feature PistonHeads is bringing in for 2018, detailing some of the most common tech in our favourite cars. We would say it's a self-explanatory title, but we wouldn't sink that low...

This is the hub page for PH Explains, where all the featured stories are collected in one place for your reference. There are just a few for now, covering subjects like turbochargers, diesel engines and the four-stroke cycle, but we'll expand over time to cover all aspects of automotive engineering.

In the picture grid below are hyperlinks to the stories already published, and it's where subsequent features will be posted too. If there's anything you'd like to see included in the PH Explains logbook, then please let us know - we're open to suggestions!

What is a turbocharger?

What is the four-stroke cycle?

What is the diesel cycle?

What is a supercharger?

What is a carburettor?

What is electronic fuel injection?

What is mechanical fuel injection?

What is an electric supercharger?

What is a dump valve?

What is a turbochargerwastegate?

What is direct injection?

What is water injection?

What is nitrous oxide injection?

What is an intercooler?

What is an ECU?

What is a disc brake?

What is ABS?

What is traction control?

What is Electronic Stability Control?

What is brake assist?

What is sequential turbocharging?

What does twin turbo mean?

What is a 'hot V' configuration?

What is electric power steering?

What is four-wheel steering?

What is a fuel cell?

What is secondary air injection?

What is exhuast gas recirculation?

What is regenerative braking?

What is a hybrid vehicle?

What is a diesel particulate filter?

What is ion-sensing knock detection?

What is a clutch-by-wire system?

What is a stop-start system?

What is a dual-mass flywheel?

What is a coasting function?

What is an electric wheel hub drive?

What is AdBlue?

What is electromechanical braking?