Tokyo auto show

Mazda Kiyora
Mazda packages its next generation Sky-G internal combustion engine in a sleek, futuristic compact city commuter car.
Drivetrain: 1.3-liter, four-cylinder direct injection Sky-G gasoline engine with stop-start
What's cool: Car uses regenerative braking to help improve mileage
Will it be built? Sky-G engine will be rolled out starting 2011; body is anyone's guess