LOS ANGELES (CBSLA.com) — From electric vehicles to high-octane performance cars, some of the world’s top driving machines are now here in the Southland.

Nearly 50 vehicles made their debuts at the 2012 Los Angeles Auto Show when it opened to the public on Nov. 30.

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The lineup includes models from American automakers Chrysler, Ford and General Motors, along with European vehicles such as BMW, Fiat, Jaguar, Mercedes-Benz, Porsche and Volkswagen.

Fuel efficiency is the unofficial theme of this year’s offerings from Asian brands as well, including models from Acura, Honda, Hyundai, Kia, Nissan, Subaru and Toyota.

Two dozen all-electric or plugin electric models are being introduced at the show, including at least a dozen clean-diesel vehicles and nearly 20 vehicles achieving 40-plus mpg with highly advanced four-cylinder gasoline engines.

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The North American unveiling of the Porsche 911 Carrera 4 is among the most highly anticipated debuts, along with the world debut of the 2013 Acura RLX luxury sedan and the North American debut of the BMW i8 Spyder hybrid roadster concept car.

Ticket prices start at $10 for weekday admission and $12 for general admission.

The show is open to the public through Dec. 9.

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For more information, visit the 2012 L.A. Auto Show.