Head driving can make us save 25% of the fuel tank and protect the environment. But what if it was also fun? With this objective in mind Volkswagen launches "Think Blue. World Championship", a new virtual game of fuel savings for iPhone, iPad and Facebook. Android users will still have to wait a little more, the Android version will arrive in early August.

Volvo Trucks has developed the I-SEE system, which is based on kinetic energy to save fuel. I-SEE works as an autopilot, making the gears and using the slopes to save fuel.

UNICUB represents the evolution of the U3-X, a personal mobility device that Honda announced in 2009.

The Center for Automatic and Robotics (CAR) of the Higher Council for Scientific Research Citroën not manned a journey through the Spanish capital: from El Escorial to Arganda.