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. improvement in fuel economy on an E-class vehicle (e.g., Source: Borgwarner. Click to enlarge.

article thumbnail

New 4-cylinder 2.3L EcoBoost on Lincoln MKC small SUV; future EcoBoost prospects

Green Car Congress

Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Class-exclusive Active Grille Shutters are designed to help improve MKC fuel efficiency at highway speeds. Two pivotal factors are the three-port integrated exhaust manifold cylinder head and a twin-scroll turbocharger.

article thumbnail

Porsche takes top two spots at Le Mans, Audi third

Green Car Congress

Porsche competed this year in the 8 MJ category (8 MJ of recovered energy per race lap—the highest of the current four energy categories in the LMP1 class. The previously used centralized exhaust tract was replaced by a twin exhaust-pipe system in order to improve output and optimize the vehicle’s aerodynamics.

Porsche 150
article thumbnail

NREL announces $18M investment in 9 new projects to advance medium- and heavy-duty natural gas vehicle technologies

Green Car Congress

will address natural gas engine emissions and efficiency improvements by developing a natural gas specific combustion design utilizing optimized in-cylinder charge motion and cooled exhaust gas recirculation (EGR). Downsized, Optimized, High Efficiency, Spark Ignited Natural Gas Engine. Cummins Inc.

Gas 191
article thumbnail

Honeywell Global Turbo Forecast projects 49M turbocharged vehicle sales, $12B revenue per year by 2019

Green Car Congress

Automakers are turning to downsized turbocharged engines to satisfy more stringent global fuel economy and emission regulations and customer demand for better-performing vehicles. In addition to improving fuel efficiency, downsized turbocharged engines also reduce harmful exhaust emissions.

2019 261
article thumbnail

Bosch sees future requiring multiple powertrain technologies; the larger the vehicle, the more the electrification

Green Car Congress

More specifically, he suggested, in the sub-compact class, gasoline and diesel powertrains will be so efficient that the emissions of these vehicles will be lower than the 2020 CO 2 target, even without electrification. Only the diesel engine will achieve this in the compact class, but the gasoline engine will come close.

Future 291
article thumbnail

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

Green Car Congress

Three projects will focus on cost-effective measures to improve the efficiency of Class 8 long-haul freight trucks by 50%. The following projects have been selected for awards under two topic areas: Systems Level Technology Development, Integration, and Demonstration for Efficient Class 8 Trucks (SuperTrucks). Grantee Project Award.