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 Lexus' whirligig is familiar from the Toyota Camry and Avalon hybrids: a lean-burning Atkinson-cycle, 2.5-liter in-line four-cylinder (156 hp) coupled with two electric motors, one a 141-hp traction motor, the other a starter-generator.

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Stadler drove out onto the stage at the Las Vegas Hilton in an Audi e-tron Spyder concept car, a hybrid vehicle with two electric motors and a twin-turbo V6 engine, capable of zooming from 0 to 60 in just 4.7 seconds.

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Yesterday, AUDI AG chairman Rupert Stadler gave his own keynote address at CES, driving out onto the stage at the Las Vegas Hilton in an Audi e-tron Spyder concept car, a hybrid vehicle with two electric motors and a twin-turbo V6 engine, capable of zooming from 0 to 60 in just 4.7 seconds.

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