Variable Compression Engine

[acemastr]

http://jalopnik.com/worlds-first-variable-compression-ratio-engine-could-ki-1785295848

This looks amazing. This combined with pneumatic valves would just be incredibly efficient and powerful.

It's about time that something revolutionary came of the ICE, not just the bits around it (direct injection, hybrids etc)

 

[acemastr]

Well the Jalopnik headline is

The World's-First Variable Compression Ratio Engine Could Kill Diesel Forever

A 14/1 compression ratio doesn't help the engine at all load and RPM ranges, variable will, so yes, it could feasibly beat a diesel once it's dialed in properly and designed for efficiency and not both power and efficiency