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 ...

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

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 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 ...

Nissan’s variable compression engines have caught the attention of U.S. safety regulators, following multiple reports of alleged engine failure, loss of power, engine knocking, and metal chunks 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 ...

The new engine is based on the 2.0-liter variable compression engines found in the Infiniti QX50 and Nissan Altima but sports one less cylinder. The new engine makes 201 hp and 225 lb-ft of torque, ...

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 ...

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 ...