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Vintage motorcycles set to take over Road America

Road America will be two-wheel heaven this weekend, as the iconic circuit plays host to vintage-motorcycle racing. Put on by the American Historic Racing Motorcycle Association, the races run on Saturday and Sunday. They will feature motorcycles from the 1920s to the early 1970s, Superbikes from the 1970s and 1980s, and more-modern racers from the Sound of Singles, Battle of Twins and Sound of Thunder classes AHRMA is an enthusiast group that preserves the heritage of racing motorcycles through events at race circuits.

Mercedes F125 concept (2011) at Frankfurt motor show

Mercedes today unveiled the F125 concept car - a car bearing the three-pointed star's F name to demark it as a tech testbed, and the 125 to mark Merc's 125th anniversary in this four-wheeled business. It's a hydrogen fuel-cell vehicle, and Merc claims a punchy 1000km (620-mile) range. But the scientists here are proud of the cutting edge lithium sulphur batteries, used to store energy created by the fuel-cell.

Land Rover testing electric Defender 110 pickup

Land Rover has begun testing an electric version of the Land Rover Defender first shown at the 2012 Geneva motor show. The electric Defender prototype is in service at the Eden Project in Cornwall, U.K., a complex of several large transparent domes that house multiple artificially maintained environments containing thousands of rare plants, and is a popular visitor attraction. At the moment the electric Defender isn't exactly tearing through the Amazon rainforest, but the work it's doing is nevertheless a good approximation of how quite a lot of Defenders are used in real life -- at least in terms of speed and duration of use.