Putting into production an engine with a variable-compression ratio has been an elusive goal since the first patent for one was filed in 1928. Now, after nearly 100 years of failed experiments and ...

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 ...

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 ...

As we near the end of the road for internal-combustion engines, manufacturers are spending big money to eke out small gains in fuel economy. The latest miracle is Nissan’s VC-T engine, the first ...

Engineers have been trying to perfect variable-compression engines for almost as long as engines have existed. So far, though, only Nissan has succeeded in bringing one to production. Its Variable ...

Swiss marine power company WinGD and marine engine manufacturer Hanwha Engine have produced the world's first X72DF-2.2 VCR engine equipped with Variable Compression Ratio technology. This ...

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 ...