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. The valve guide is the main heat path from the valve stem to the cylinder head.

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

Green Car Congress

JULY 23, 2015

Federal-Mogul Powertrain, a division of Federal-Mogul Holdings Corporation (NASDAQ: FDML), will exhibit its newly acquired engine valve technology for the first time at the 2015 IAA show in Frankfurt in September. This allows the valve head to run between 80°C and 150°C cooler.

Downsizing 150

Downsizing Engine Sodium Motorcycles 150