Remove Connected Remove Downsizing Remove Economy Remove Parts
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 concentric camshaft features one set of lobes connected to the phaser sprocket, and a second set next to it is connected to phaser. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy. improvement in fuel economy on an E-class vehicle (e.g., Source: Borgwarner.

article thumbnail

Volkswagen of America bringing in downsized 1.8L EA888 engine to displace 2.5L; all vehicles E15 capable

Green Car Congress

The engine is built in a new factory in Silao, Mexico that is part of Volkswagen’s ongoing $5-billion investment in the North American market. Volkswagen predicts fuel highway fuel economy will improve by up to 17% with the downsized engine. The Beetle and Beetle Convertible 2.5-liter liter engine will be replaced by the 1.8-liter

article thumbnail

FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Green Car Congress

downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio. The small end of the connecting rod in the FEV systemis equipped with an eccentric sleeve housing the wrist pin. Diagram at right.).

article thumbnail

Center for Automotive Research calls long-run economic risk to auto industry of mandating permanent fuel economy standards very serious; recommends periodic reviews

Green Car Congress

Based on the results of the study, CAR believes the economic risk to the auto industry connected to mandating permanent fuel economy standards in the long run is “ very serious ” The group recommends periodic review to assess the rate of technology development and cost reduction of advanced technologies leading up to 2025.

article thumbnail

Renault 2010 Environment Workshop, Part 1: Combustion Engine Technology and Product Plans

Green Car Congress

Renault estimates that electric vehicles will account for 10% of the world market by 2020; even given that aggressive forecast for electric vehicle penetration, 9 out of 10 vehicles will still be powered, at least in part, by a combustion engine. Downsizing alone results in a saving of 6%compared with the engine it replaces.

article thumbnail

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

Green Car Congress

In part-load operation, the indirect injection supplements direct gasoline injection to improve fuel economy and to reduce the output of particulates from the engine. GDI technology provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. Earlier post.).

Gasoline 304
article thumbnail

GM to double models with 40 mpg highway or better by 2017; ongoing manufacturing efficiency improvements

Green Car Congress

GM’s fuel-economy plan through the 2016 model year focuses on a reduction in vehicle mass and aggressive investment in advanced materials, such as high-strength steel, carbon fiber and aluminum, enabled in part by our industry-first aluminum welding technology. Earlier post.).

GM 275