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Mazda highlights new engine concepts

Green Cars News

The New York International Auto Show saw Mazda showcase a series of new engine and transmission concepts that improve fuel efficiency and lower emissions. Known as the SKY Concept engines and transmissions, they will be rolled out from 2011.

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Michigan State University Receives $2.5M ARPA-E Award to Build Wave Disc Engine/Generator for Series Hybrid Applications

Green Car Congress

Wave rotor technology has been explored since 1906, although its first significant application was in 1940 by Brown Boveri Company (BBC, today ABB) which used it as a high pressure stage for a gas turbine locomotive engine. Mazda produced 150,000 Comprex diesel cars.

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LiquidPiston introduces latest X-series version of HEHC rotary engine; targeting 58% peak BTE, 2 hp/lb power density

Green Car Congress

The X1 engine—brought from a concept on paper to an engine on the dyno in less than one year—is firing reliably and consistently in the lab on synthetic diesel fuel with compression ignition, and producing positive power, Shkolnik said.

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