article thumbnail

Pike Research forecasts hybrid electric locomotive sales could reach nearly 500 units from 2011 to 2020; to utilize 514 MWh of battery capacity by 2020

Green Car Congress

The market will receive a boost from new diesel locomotive emissions regulations scheduled to go into effect in the European Union in 2014 and in North America in 2015, which will require diesel locomotives to receive substantial changes or exhaust treatments. Other benefits include reduced noise levels and lower maintenance costs.

2020 218
article thumbnail

Powertrains for the New Opel Astra

Green Car Congress

Continuously variable valve timing is featured in all engines on both inlet and exhaust sides, except the 1.6-liter The camshafts have hydraulically operated vane-type phasers which vary the angle of each camshaft relative to the crankshaft by up to 60 degrees on the inlet side and 45 degrees on the exhaust side. liter turbo.

Exhaust 199
article thumbnail

Mercedes-AMG brings cylinder deactivation to 5.5L V8; 30% reduction in fuel consumption

Green Car Congress

The selectable actuators are integrated into the cylinder heads, and keep the intake and exhaust valves of cylinders two, three, five and eight closed. Optimal charging of the combustion chambers is ensured by large intake and exhaust valves. The exhaust valves, which are subject to high thermal loads, are hollow and sodium-cooled.

Mercedes 225
article thumbnail

Strong Global Sales for Chevrolet Cruze Prior to US Introduction; More Details on Its New Small-Displacement Engines

Green Car Congress

The compressor wheel is being driven by hot exhaust gases coming out of the exhaust manifold. A wastegate opens to regulate the compressor drive power by letting excess exhaust gases escape through the exhaust pipe. Sodium-filled exhaust valves are designed for the higher combustion temperatures of the turbo system.

Chevrolet 249
article thumbnail

ARPA-E awards $55M to 18 projects in two new programs: TERRA for transportation energy and GENSETS for distributed generation

Green Car Congress

Breeding High Yielding Bioenergy Sorghum for the New Bioenergy Belt Clemson University, along with the Carnegie Mellon Robotics Institute and partners, will phenotype an exhaustive set of international germplasm and plant varieties. Clemson University. Tour Engine. High Efficiency Split-Cycle Engine for Residential Generators Tour Engine Inc.