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Mercedes-Benz B-Class aerodynamics tested [w/video]

Mercedes-Benz has produced a video testing the aerodynamics of its new B-Class – which it claims is the most aerodynamically efficient car in the world – using a wind tunnel and fluorescent paint. The W245-generation B-Class has the lowest aerodynamic drag in its segment with a Cd of just 0.26, thanks to features such as serrated front wheel arch spoilers, optimized cooling airflow and a Pagoda roof to help airflow over its profile. The car's aero properties were put to the test at the MIRA vehicle test facility in the UK using fluorescent paint in 60mph winds to highlight its flow dynamics, only visible under UV lights.

Designer Interviews: Giorgetto Giugiaro

Ask any aficionado who the greatest car designer of all time is and Giorgetto Giugiaro will be the name on most lips. Responsible for more than 200 vehicles, equating to some 60-million production cars on the road as well as dozens of concepts for the world's finest car brands – not to mention cameras for Nikon, electronic organs for Bontempi and even a type of pasta – he is without equal. Born on 7 August 1938 in Garessio, northern Italy, he started his career with Fiat in the mid-1950s, aged 17.

New Porsche 911 GT3 RS 4.0 revealed!

Pictures of the new Porsche 911 GT3 RS have leaked out on the Internet--and this street demon is expected to pack quite a punch. Displacement will grow to 4.0 liters, which helps to boost output to almost 500 hp. A version of this mill is employed in the competition version of this car as well.