Give the buyer a hard-core driving experience, charge more for the privilege. People go along with it, because a Porsche is about little if not the joy of driving it.

Daimler AG's Mercedes-Benz unit, the world's second-largest maker of luxury cars, will almost double investment on "green" technologies to take on BMW in the race to offer electric vehicles.

Suzuki took out the top spot in car sales last month, selling 234 of its Swift cars.