Nissan engineers have reportedly been working on the engine concept for more than 20 years, and the company claims to have filed more than 300 patents protecting the design and associated technologies ...

2.4L I-4 port/direct injection, DOHC, Dual VVT-i variable valve control, intercooled turbo, regular unleaded, engine with 264HP (1) 2.5L H-4 gasoline direct injection, DOHC, variable valve control, ...