Green Car Congress

AUGUST 14, 2017

The extreme valve temperatures experienced on today’s highly boosted downsized engines can lead to reduced valve fatigue life and critical valve guide and stem seal temperatures, resulting in the need for expensive valve steel alloys.

Engine 150

Engine Emissions Exhaust Sodium 150

Green Car Congress

SEPTEMBER 30, 2009

The new Astra is launching with a complete line-up of eight gasoline and diesel engines ranging from 70 kW/95 hp to 132 kW/180 hp. The new Astra has grown slightly to provide a roomier interior and, at the same time, it has benefited from engineering enhancements that allow it to improve fuel efficiency and performance. Earlier post.)

Exhaust 199

Exhaust MPG Gasoline-Electric Engine 199

Green Car Congress

SEPTEMBER 24, 2010

The diversified manufacturer also said that in addition to boosting engine performance, its superchargers can provide up to a 5% fuel savings and reduce emissions compared to competing technologies. Eaton has developed a range of next-generation variable valvetrain systems for high-speed overhead camshaft engines.

Eaton 218

Eaton Emissions Fuel Range 218