1. The Aero EV has a twin motor AESP producing a jaw-dropping 1,000 hp, 60 mph in 2.5 seconds, and its top speed is 208 mph. It can be charged and ready to go in 10 minutes on a standard 110 outlet has a range of 200 miles.

2. The GreenGT is hoping to kick butt at the 2011 Le Mans. It gets 400 hp and has a top speed of 171 mph. It has 1,475 lb-ft of torque up to 100 mph, where it then eases to 590 lb-ft for high-speed traction. And if that doesn't make you drool, its powered by lithium-ion batteries charged by flexcell photovoltaic solar panels.

3. Supercar maker Gumpert brought a moded version of their Apollo racer to the 24 Hours Nürburgring (inspired by the famous 24 Hours of Le Mans) this past May. The racecar has a 630 hp twin-turbo 3.3-liter V8 paired with a 134 hp electric motor that can recharge by regenerative braking.

4. Ronn Motor Company's Scorpion is as controversial as it is hot. According to the manufacturer, their hydrogen injection powertrain (H2GO) which injects small amounts of hydrogen--generated on board--into the fuel line improves mileage by 30-percent. This process also reduces CO2 output.

5. The RORMaxx Formula AE is a wind-assisted supercar concept designed by two high school students. With a 200 kW electric motor and lithium ion batteries, the RORMaxx gets a 50% boost in efficiency from its wind recovery system. It has a top speed of 155 mph and is covered flexible photovoltaic panels.

6. Peugeot's RC HYmotion4 is business in front and all party in the back. It has a 1.6L gas engine in the back driving the rear wheels with 218 hp and 206 lb-ft of torque, where a 70 kW electric motor provides up to another 132 lb-ft for the front wheels. The car can operate in either internal combustion, electric only or blended modes. All this, and a miles per gallon of 52.3.

7. Rinspeed's iChange is a one-seat sports car that can transform to a three-seat coupe thanks to a pop-up rear end. It's fully-electric drivetrain is also powered by solar panels on the roof, which also assist with the interior's climate. The iChange has a top speed of 137 mph and reaches 62 mph in just over 4 seconds.

8. The 2025 Sunbeam Tiger LSR Tribute, designed by British student Ryan Skelley, honors the 1925 Sunbeam Tiger land speed record car. The original Tiger used a V12 engine to hit a record 145 miles-per-hour where this concept would reach 160 mph. The concept uses lithium titanate batteries and reaches 60 mph in just 2.3 seconds.

9. Ruf--a Porsche high performance tuning specialist--built this prototype electric sports car based on the 911. Coined as the eRuf Greenster, the battery-powered 911 has a 270 kW Siemens electric motor with 695 lb-ft of torque. Along with regenerative braking, the car can be charged in an hour from a 400 V outlet.