Take a 20 kilometers-per-liter hybrid, which is a small car with two engines--one gasoline, one electric--that work in collaboration.

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Also sharing the spotlight was an all-new Esprit, which will make use of the 5.0-liter V8 developed by Toyota for its Lexus IS-F muscle car.

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The 3.8-liter, twin-turbo V8 engine shows through the rear lid of the car.

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The Jaguar, with two electric motors and a supercharged 1.6-liter gas engine (the show car version actually uses two microturbines) can manage more than 30 miles on the batteries.

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The car has a 1.8-liter four-cylinder engine with a 6-speed automatic transmission and front-wheel drive.

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The car uses a 1.8-liter, 98-horsepower four-cylinder gasoline engine with an 80 hp (60 kW) electric motor charged on a Ni-MH battery.

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Now, of course, everything is relative, and my test car is a 2.0-liter, front-drive compact with an automatic transmission on all-season meats, so it's not remotely a sports car.

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The winning design was submitted by Sangho Kim of Pasadena, California, and the result is a car with a 6.2-liter engine, eight cylinders, automatic transmission, rear-wheel drive and 430 horsepower.

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