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The Seat Leon hybrid will be an "all-purpose car" (Photo: Seat)

Seat is getting ready to test two electric prototypes in advance of a full market introduction in 2015.

The Spanish carmaker, a member of Germany's Volkswagen Group, said it will make available for evaluation to government institutions in Catalonia and Madrid early versions of the Seat Altea XL Electric Ecomotive and the Leon TwinDrive Ecomotive. They will be used in government fleets.

The Leon, a plug-in hybrid is scheduled for market launch first, to be closely followed by the Altea, a full electric car. Both are designed, developed and manufactured in Spain.

Seat plans to have several engine options across its model range. "Customers demand a more sustainable form of mobility, but their needs are diverse," Seat President James Muir said in a press release.

The Altea will be Seat's first electric vehicle. It will be powered by an electric motor producing 115 hp (85 kW) and 270 Nm of torque. That will give the car a top speed of 135 kph.

The Altea's batteries will be located under the rear seats and in the trunk of the car. The model will feature a brake-energy regeneration system with adjustable braking torque and rooftop photovoltaic cells that recirculate fresh air inside the car when it is parked in the sun.

Said Matthias Rabe, Seat's r&d chief: "The electric Altea XL was an intentionally studied choice for the first fleet. It will enable us to experiment with a wide variety of uses."

The Leon TwinDrive will be an "all-purpose car," Seat said. It will couple an elecric motor with a range of traditional combustion engines.

In full electric mode the TwinDrive will have a range of 52 km and a top speed of 120 kph. In combined mode Seat says the Leon will consume 1.7 liters of fuel and 18.5 kWh or electricity per 100km. That equals 39 grams/km of CO2.

The hybrid Leon will have a top speed of 170 kph.