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BMW Clever concept


The BMW Clever concept, a €3.3 million (US$3.9 million) effort, is an enclosed two-seater that combines the safety of a microcar, and the maneuverability of a motorcycle, while being less polluting than other vehicles as it runs


Its strengthened frame will protect the driver in a crash and the vehicle will have a top speed of approximately 50 mph. The 230cc BMW engine—modified by Institut Français du Pétrole (IFP) to use natural gas—produces 12.5 kW (17 hp) of power and maximum torque of 15.5 Nm at 6,300 rpm.


Fuel consumption is estimated to be 2.4 liters/100 km gasoline equivalent (98 mpg US), with 59.5 g/km of CO2 emissions. The compressed natural gas is stored in two removable gas bottles providing a range of 150 km (93 miles).

A problem with three-wheel vehicles with a symmetrical wheel layout is the tipping moment when cornering, which cannot be controlled at high speeds if the vehicle has a short wheelbase. To solve this problem the vehicle’s center of gravity can be moved towards the center of the corner—just as a motorcycle does when it corners.