Trust Porsche to zig where the rest of the industry zags. A few months ago, its engineers secured a patent for a system that injects water into an engine’s cylinders. It’s a concept with deep roots in ...

Pratt & Whitney believes HySIITE-derived steam-injection technology could potentially feature on updated versions of the geared turbofan by the mid-2030s. Credit: Pratt & Whitney Seventy years after ...