I present you top five hottest green Supercars in 2010:

• Mercedes SLS AMG E-Cell;
• Porsche 918 Spyder;
• BMW Vision Efficient Dynamics;
• Jaguar C-X75;
• Audi R8 e-Tron.

#1 Mercedes SLS AMG E-Cell

The electric version of its Mercedes-Benz AMG SLS develops 533 HP and 590 lb-ft of torque. The model can accelerate from 0-60 mph in four seconds and is equipped with lithium-ion batteries. The technical details above are valid for the prototype model, the production version is not completed yet. Moreover, the autonomy and the necessary time to load a SLS AMG E-Cell are unraveled elements.

Compared with the standard version of SLS AMG, the E-Cell version has a wider grille, LED lamp units, additional ventilation holes on the hood and 19 and 20 inches alloy wheels. The front side receive 19-inch alloy wheels, coated with 265/35 tires, while the rear wheels get 295/30 tires. On the interior, the model has the same elements as the gasoline version, except that the missing rev counter and fuel indicator. The two elements have been replaced by a system for monitoring the battery state of charge.

#2 Porsche 918 Spyder

The secret of this hybrid torpedo is the V8 engine that develops 500 HP at 9200 rpm and of other two electric motors, one on the front axle and the other on the rear one, together adding 208 extra horses. The power is transmitted via the PDK gearbox with 7 gears. The electric “Container” is a Li-Ion battery can be charged from a normal outlet, but also by converting the kinetic energy collected during braking.

The guys from Porsche say that the 918 Spyder is designed to have an average mileage of 62 mpg and to complete a lap onNurbrugring in less than 7 minutes and 30 seconds, this is translated: faster than the Porsche Carrera GT. Even if it has a mass of 3,285 lbs, some figures look a bit too optimistic.

#3 BMW Vision Efficient Dynamics

The chassis of the Vision EfficientDynamics Concept is constructed mostly from aluminum, with the roof and the exterior body made almost entirely from a special polycarbonate material. The car is 181.1 in. long, 74.8 in. wide and 48.8 in. tall. It has a 2+2 seating configuration that includes plenty back space. The car is said to go from 0 to 60 mph in less than 5 seconds, wich is not supercar-standards but on the other hand it shouldn’t anyway.

The Vision concept is powered by three sources: two electric motors (one at each axle, giving the car all-wheel drive in electric mode) and a turbodiesel engine (in front of the rear axle). The rear/mid-mounted direct-injection, 1.5-liter 3-cylinder turbodiesel puts out 163 bhp and 214 lb.-ft. of torque. Combined with the electric motors, the total system output is 356 bhp and 590 lb.-ft of torque.

#4 Jaguar C-X75

The entire concept car is mad of aluminium, for that the prototype’s weight to be kept at the lowest level possible. The Jaguar C-X75 Concept’s lambo doors invite us inside the car, where the British engineers have found a very interesting solution to come in the help of the one behind the steering wheel: in a total opposition with the production cars of today, the C-X75 Concept’s seats are fixed, letting you adjust the position of the the pedals, the steering wheel and the dashboard to suit your driving style.

In order to fit the new trends of the auto industry, the Jaguar’s concept is pushed by 780 HP developed by the four electric motors (195 HP for each wheel). But the Jaguar C-X75 Concept is not 100% electric. After the lithium-ion batteries run out (the maximum autonomy is of 68 miles), two gas micro-turbines join the game (95 HP each) with the role to recharge the supercar’s batteries. Given the conditions, the mileage of the Jaguar concept reaches the a dazzling total of 560 miles, a huge number for a car that can hit 60 mph in just 3.4 seconds and a top speed of 205 mph.

#5 Audi R8 e-Tron

The car’s lithium-ion battery can be charged from a household plug socket (230 volts/16 amperes), taking six to eight hours to be refilled. Kinetic energy from braking is also saved and an alternator converts it to electric energy to be reused by the engine.

Coupled with the Detroit Audi e-tron Concept’s low gross weight of around only 2,976 pounds, high-torque power units driving the rear wheels guarantee commensurate road performance. Two electric motors with a combined output of 204 HP and 1955 lb-ft accelerate the coupe with ASF-design aluminum body from 0 to 60 mph in just 5.9 seconds. The Audi e-tron Concept accomplishes the sprint from 37 to 74 mph in 5.1 seconds.

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Even though I said many times that I hate the Audi R8, I can’t say that I don’t like its bended lines. So what Audi did with the e-Tron concept is amazing. The 3319 lb-ft torque is fabulous and the  313 HP are sent to all four wheels by electric motors on each wheel, making us fall in love, like many times before with the Audi Quattro System.

So what do you need more? You’ve got four wheel-drive (and not any four-wheel drive, the Quattro), 313 HP, and a monstrous 3319 lb-ft torque, all these with zero CO2 emission. Yes, the Audi e-Tron is ultimate electric supercars ever made. We liked it even in orange when we saw one on the floor of the LA Auto Show 2009.

And guess what, there are some lucky guys that even drove this beauty. The 3319 lb-ft of torque electric concept made by Audi underpinning the R8, was tested in US by some journalists. What;s their opinion about the car? Just watch the video and see what a masterpiece Audi has created.

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