Water injection systems aren't new to the automotive world, but the idea of using water recovered from an exhaust system is. Jason Fenske of Engineering Explained dedicated an entire episode to ...

Water injection has been around forever, but after going in and out of fashion for decades, it's gaining a firm foothold in the performance-car world. A big reason is Matt Snow at Snow Performance is ...

The BMW M4 GTS is one of few production cars to use a water injection system. The M4 GTS sprays water into the intake manifold to cool down air for its engine. How in the world does water help make ...