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

The 2024 Infiniti QX50 AWD Autograph offers a detailed look at the luxury compact SUV, highlighting its innovative variable ...

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.

On paper, Nissan's variable-compression turbocharged engine should have been pretty awesome. Since it could change its compression ratio on the fly, it promised the power of a bigger engine when you ...

Joel was previously an editor at Autoblog for nearly a decade, covering cars from humble economy hatchbacks to high-end sports cars. He has extensive driving experience with plenty of track time, and ...

"Nothing is going to be revolutionary for ICEV from now till the day the last one is made. It is technology which has been continually refined for 160 years." 1) How about free piston engines (gets ...

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 ...

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 ...

It is relevant for most users. EPA numbers are pretty close (within 2 mpg) of what I get driving. It is impossible for a single metric to perfectly match all users with different driving patterns over ...