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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.

Volkswagen BlueMotion at Frankfurt

The new VW BlueMotion versions of the Polo, Golf & Passat will be at Frankfurt this month The most efficient of the BlueMotion models is – hardly surprising – the new Polo Bluemotion. The Polo emits just 87g/km CO2 and manages to travel at least 870 miles on a tank of juice., averaging as it does 85.6 mpg. The new 1.2 litre three pot common rail diesel in the Polo produces 74bhp which is driven through a fibe speed manual ‘box and features stop-start and longer gearing.

Daihatsu Pico

The second of Daihatsu's entourage of models is the Pico. Following the layout of a two-seat quadricycle, laid out by the Twizy, the Pico has been developed as a vehicle ‘offering the appeal that only a compact car can provide to accommodate social and environmental changes such as the aging population, regional locations and delivery businesses'. The Pico features an LED central belt that circles the vehicle, relaying information such as the Pico's speed to pedestrians and other road users.