In a conventional piston engine, the compression ratio defines the relationship between the largest and smallest volume of a cylinder - when its piston is at bottom dead centre and top dead centre ...

The Nissan VC-Turbo engine in the 2025 Rogue struggles against hybrid rivals despite its engineering achievement.

Nissan brought the first, and only, variable-compression engine to market. But its future doesn't look bright. Complexity in cars is a funny thing. It’s tempting to say that it’s all bad, that more is ...

Tim oversees the digital teams that bring you CAR magazine and Parkers, our car-buying sister website. A lifelong motoring journalist, he has worked at many of the UK's biggest car titles, including ...

Infiniti will present a production-ready variable compression ratio engine, called VC-T, at the Paris motor show in late September. The concept could improve internal combustion engines in several ...

Add Yahoo as a preferred source to see more of our stories on Google. As we near the end of the road for internal-combustion engines, manufacturers are spending big money to eke out small gains in ...