Uncover the fascinating story of the saab variable compression engine, a groundbreaking design that never made it to ...

Compression is only one thing Hyundai wants to be able to adjust.

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 ...

Despite the turbulence Nissan has faced over the past few years, some of its technology is undeniably impressive. Perhaps the crowning jewel of this engineering power is its variable compression ...

Nissan's innovative variable compression engines were a fascinating innovation when they were first revealed, but the jury is still out on whether or not the combustion technology will stick around. A ...

Something I've been kicking around for a while, and wanted to get opinions on: Is there a reason we can't use variable intake valve timing to "optimize" engine operation for E85 operation, while still ...

At 1.5 liters, this little dynamo is a cutdown version of the automaker's larger 2.0-liter variable-compression engine and it's a winner. Craig brought 15 years of automotive journalism experience to ...

GM has filed a patent application for so-called “Multilink Cranktrains with Combined Eccentric Shaft and Camshaft Drive System for Internal Combustion Engines.” The system is designed to provide ...

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 ...

Nissan’s Rogue sees a new 1.5-liter turbocharged, variable-compression engine for 2022. The new engine is based on the 2.0-liter variable compression engines found in the Infiniti QX50 and Nissan ...

"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 ...