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March 2007

The Incredible Shrinking Engine

A new engine design could significantly improve fuel efficiency for cars and SUVs, at a fraction of the cost of today's hybrid technology.

By Kevin Bullis

At MIT's Sloan Automotive Laboratory, Daniel Cohn (pictured above) stands behind an engine equipped with test instruments (in yellow) and an injection system that sprays fuel directly into the engine's combustion chambers.
Credit: Porter Gifford

The following article appears in the March/April 2007 issue of Technology Review.

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