Remove Downsizing Remove Engine Remove Events Remove Fuel
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

HyBoost demonstrator debuts at LCV2011; 50% by swept volume downsizing with low-cost electrification

Green Car Congress

Together the partners have sought to demonstrate an extremely cost-effective, ultra-efficient gasoline engine in a C-segment passenger car delivering the performance of a baseline 2.0-liter liter model but with significantly reduced real-world and drive cycle CO 2 emissions, and comparable improvements in fuel-economy. Earlier post.).

article thumbnail

KAUST team develops method for reliable prediction of abnormal ignition phenomena

Green Car Congress

Researchers at KAUST’s Clean Combustion Research Center have developed a method to predict and to avoid undesirable combustion events in advanced engines, such as knocking and super-knock. In their latest work, the team has extended the theoretical formula to consider temperature and concentration fluctuations of the fuel/air mixture.

article thumbnail

JAC and Ricardo develop production version of HyBoost concept; seeking 30% boost in fuel economy with same performance

Green Car Congress

Anhui Jianghuai Automobile Group Co Ltd (JAC) and Ricardo are collaborating on a project to develop the Ricardo HyBoost concept ( earlier post )—a combination of low-cost technologies to deliver improved performance and fuel economy which featured recently in the Ricardo Centenary celebrations —into volume production on a JAC vehicle.

article thumbnail

Audi using supplementary port fuel injection to address particulates from gasoline direct injection

Green Car Congress

liter EA888 Gen3 engine featured in Audi’s all-road shooting brake plug-in hybrid concept unveiled at the North American International Auto Show this week ( earlier post ) features—as does its production ilk—a dual injection system that combines direct injection with indirect injection into the intake manifold. Credit: Audi.

Gasoline 304
article thumbnail

Are Toyota, Mazda, and Subaru Doing the Right Thing By Snubbing EVs?

The Truth About Cars

Toyota, Mazda, and Subaru conducted a press event designed to explain why they’re walking away from full-blown electrification. The event was hosted by a trio of Japanese CEOs and their top engineers to explain to the world how they planned on tackling emissions regulations without being overwhelmingly reliant on battery electric automobiles.

Mazda 111
article thumbnail

Ford unveils 1.5L EcoBoost engine in new Mondeo in China

Green Car Congress

liter EcoBoost engine. EcoBoost is the fifth and latest member to join Ford’s global family of EcoBoost engines, which includes a 1.0-liter liter EcoBoost engine is projected to produce 132 kW (177 hp) of power at 6,000 rpm and peak torque of 240 N·m (177 lb-ft) from 1,500 to 4,500 rpm. The new 3-cylinder, 1.5L

Engine 281