GM has filed a patent application for a six-cylinder engine with variable compression, showing a design that links the ...

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 ...

GM says in the patent that the compression ratio can change from between 7:1 and 11:1, though that top figure isn't ...

GM just filed a patent that tackles one of the oldest problems in truck engines: making more power without burning more gas to get it. The filing, published on the USPTO website this week, describes a ...

Nissan brought the first, and only, variable-compression engine to market. But its future doesn't look bright. Complexity in ...

The technology allows dual-fuel engines to adjust compression ratios according to fuel type and engine load, helping improve efficiency and reduce emissions.

Nissan's Infiniti division will present its first Variable Compression-Turbocharged (VC-T) engine at the Paris Motor Show next month. This technology took them more than two decades to perfect, and ...

However, not all innovations are equal, and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

Editor's note: This story is part of the WardsAuto digital archive, which may include content that was first published in print, or in different web layouts. STANFIELD, AZ – Shinichi Kiga cracks a ...