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Cenex, the UK's centre of excellence for low carbon and fuel cell technologies, is currently deploying electric passenger cars and vans throughout the UK in a series of Government funded low carbon vehicle trials. This study, produced in partnership with Millbrook Proving Ground, investigates comments and concludes on energy consumption in electric vehicles with varying driving styles and driving duties. At Millbrook, the electric vehicle (EV) track cycle is designed to represent real world driving duties over city, rural, hill and high speed circuits. It is shown that the drive efficiencies over the EV track cycle vary significantly by driver and the largest variations are noted on tracks with the highest opportunities for regenerative energy capture. To further study the regenerative energy, a model is developed and the percentage of potential vehicle energy recovered during deceleration is quantified.