GM has filed a patent application for a six-cylinder engine with variable compression, showing a design that links the ...
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GM's New Patent Shows How It Could Make Truck V8s Both More Powerful And More Efficient
GM's new patent reveals a three-crankshaft engine system for trucks that varies compression ratio and extends the expansion ...
Aerospace and Mechanical Insider on MSN
GM patents inline-six with altered piston motion and added complexity
In a conventional piston engine, each connecting rod provides a direct mechanical bridge between its piston and the ...
The Porsche-Hilite technology is comparatively simple, and could be offered to every automaker if and when VCR comes to market. Share on Facebook (opens in a new window) Share on X (opens in a new ...
GM says in the patent that the compression ratio can change from between 7:1 and 11:1, though that top figure isn't ...
The technology allows dual-fuel engines to adjust compression ratios according to fuel type and engine load, helping improve efficiency and reduce emissions.
Hyundai Motor Group is a company that doesn't seem tied down to any one particular powertrain technology. Yes, it has invested heavily in bringing EVs to market, but it also keeps adding hybrids. It ...
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 ...
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 ...
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 ...
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 ...
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 ...
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