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The 500-hp club: The room is getting crowded

At a time when fuel economy counts for just about everything, there's still a horsepower war raging in the United States. The number of fire-breathing wedge-shaped supercars and hot sedans and coupes that can pump out 500 hp or better has nearly doubled in the past five years to more than 70. A decade ago there were just two members of the 500 hp club in the United States: the Ferrari 575M and Lamborghini Murcielago.

Formula E Spark-Renault electric race cars arrive with the teams at Donnington

The 10 Formula E cars arrive at Donnington No one knows if the Formula E experiment – an ‘F1′ Grand Prix series for electric racing cars – will garner the same sort of interest as its ICE counterpart, but with the first Formula E race scheduled for Beijing in September we’ll soon find out. Ahead of that debut race, Renault and Spark Technologies has delivered the teams their cars – all the same Spark Renault SRT_01E – to the Formula E base at Donnington. After a series of tests at a variety of circuits earlier this year, the Spark Renault SRT_01E passed all its final systems and architecture tests, which has allowed this first batch of the final series cars to be delivered for the teams to practice ahead of the race.

Electric Land Rover Defender at Geneva 2013

Land Rover has built seven electric Defenders to act as research vehicles for EVs off-road. All seven Defender EVs will be at Geneva 2013. What it is is the 2013 Land Rover Defender – in a variety of body styles – with the diesel gubbins removed and replaced with a big bank of batteries and an electric motor, as Land Rover try to find out if EV off-roaders have real world application possibilities.