Combustion

SEAT ACT

Video of the week: Seat ACT technology

A particular technical aspect of the SEAT 1.4l TSI engine is its active cylinder management (ACT). Volkswagen group is the first carmaker to implement this fuel saving cylinder deactivation technology on four-cylinder engines, as it was previously the preserve of large eight or 12 cylinder engines. Shutting down the second and third cylinders during low and

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Honda EXlink engine

The Honda EXlink engine

Performing more work with less fuel… Energy efficiency has been of prime importance in engine design, driving the development of countless new models over the years. With the goal of taking energy efficiency to a new step, Honda developed its own linkage engine design based on Atkinson’s extended-expansion cycle engine, invented some 130 years ago.

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BorgWarner’s plug top ignition coil

BorgWarner’s plug top ignition coils with integrated electronics

BorgWarner produces plug top ignition coils with integrated electronics at its plant in Ramos-Arizpe, Mexico, for Volkswagen’s third generation 2.0- and 1.8-liter DOHC I4 engines built in Mexico. These engines power the Volkswagen Jetta and Beetle as well as other models designated for the U.S. market. Specifically designed for modern downsized engines, BorgWarner’s compact plug

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Tula Technology’s Dynamic Skip Fire (DSF) technology

Dynamic firing decisions for individual cylinders of gasoline engine

GM Ventures is optimistic that its 2012 equity investment in Silicon Valley-based startup Tula Technology, Inc. will result in a new engine fuel economy technology that could be deployed in future gasoline engine-powered General Motors’ vehicles. Tula’s Dynamic Skip Fire (DSF) technology integrates advanced digital signal processing with sophisticated powertrain controls to create a software-based approach to variable

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