Remove Downsizing Remove Economy Remove Exhaust Remove Group
article thumbnail

BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

Green Car Congress

The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy.

article thumbnail

Eaton contributing several components to DOE SuperTruck II program

Green Car Congress

Eaton is supplying a number of leading-edge technologies that improve fuel economy and reduce emissions to Original Equipment Manufacturer (OEM) teams. Since 2008, Eaton’s Vehicle Group has been laser-focused on reducing emissions and fuel consumption.

Eaton 199
article thumbnail

Valeo acquires electric supercharger business from Controlled Power

Green Car Congress

VTES will be integrated into Valeo’s Powertrain Systems Business Group with immediate effect. Unlike exhaust-driven turbochargers, electric superchargers are driven by an electric motor. Highly efficient at low engine revolutions, electric superchargers make it possible to downsize engines. Earlier post.).

Power 326
article thumbnail

DENSO develops compact EGR cooler for gasoline engines; applied in Prius c

Green Car Congress

The newly developed EGR (exhaust gas recirculation) cooler is 30% smaller than the smallest one currently available on the market, while offering equal performance. DENSO plans to offer this product worldwide as a solution to meet tighter fuel-efficiency and exhaust regulations. Schematic of an EGR system. Click to enlarge.

Prius 231
article thumbnail

Hyundai outlines future powertrain strategy

Green Car Congress

Hyundai Motor Group this week outlined its latest powertrain technologies and future plans at the 12 th Hyundai-Kia International Powertrain Conference, held near the Hyundai Motor Group R&D Center in Korea. A variety of technologies were adopted to maximize fuel economy and performance of the Kappa 1.0 The Kappa 1.0

Hyundai 218
article thumbnail

DOE to Award $187M to 9 Projects to Improve Vehicle Efficiency for Heavy-Duty Trucks and Passenger Vehicles

Green Car Congress

The remaining six projects totaling more than $71 million will support efforts to increase the fuel economy for passenger vehicle engines and powertrain systems. The goal is to develop engine technologies that will improve the fuel economy of passenger vehicles by 25-40% by 2015 using an engine-only approach. Chrysler Group LLC.

article thumbnail

Ford study suggests GDI engines can meet coming California and US PM emissions standards over 150k miles; more work to be done

Green Car Congress

Homogeneous GDI provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. Schematic diagram of test vehicle engine & exhaust system and PM sampling systems. PM mass emissions rates for the FTP and US06 drive cycles as function of vehicle mileage. Click to enlarge.

Standards 246