MAHLE show engine for power & economy
http://techon.nikkeibp.co.jp/english...071030/141572/
sample quote
To minimize the fuel consumption, the friction loss was also reduced. The engine employs a DLC (Diamond-Like Carbon) coated piston, a NIKASIL (Ni-Si) coated cylinder sliding surface and a PVD (Physical Vapor Deposition) coated piston ring.
sample quote
To minimize the fuel consumption, the friction loss was also reduced. The engine employs a DLC (Diamond-Like Carbon) coated piston, a NIKASIL (Ni-Si) coated cylinder sliding surface and a PVD (Physical Vapor Deposition) coated piston ring.


