1. Autos
Send to a Friend via Email

The Fast and the Fuel-Efficient

By

As consumers demand higher miles per gallon and governments demand fewer greenhouse gas emissions, even exotic car builders have to listen. The future is fast, sexy, and kinder to the earth, if not the wallet.

1. Audi e-tron Concept

Audi e-tron at the 2009 L.A. Auto Show
Kristen Hall-Geisler for About.com

Fuel type: lithium-ion battery electric motor

Top speed: 124 mph

0-62: under 5 seconds

 

Audi enters the electric car market with a highly designed cute coupe with the equivalent of over 300 hp from its four electric motors at the wheel -- quattro, indeed.

2. Bentley Continental

Bentley Continental Supersports
Bentley Motors

Fuel type: gasoline or biofuel engine

Top speed: 202 mph

0-62: 3.7 seconds

 

Though the super-fast Continental Supersports was the first to go E85, the entire Continental lineup is biofuel capable as of summer 2010.

3. BMW Vision Efficient Dynamics

BMW Vision EfficientDynamics at the 2009 L.A. Auto Show
Kristen Hall-Geisler for About.com

Fuel type: 2 battery electric motors and a 3-liter diesel engine

Top speed: 155 mph

0-62: 4.8 seconds

 

What started as a design exercise is likely to become reality, with 5000-10,000 to possibly be built in the near-ish future.

4. Ferrari HY-KERS Concept

Ferrari HY-KERS Concept
Ferrari

Fuel type: battery electric motor and 8- or 12-cylinder gasoline engine

Top speed: it depends

0-62: it still depends

 

At the 2010 Geneva Motor Show, Ferrari unveiled this gasoline-electric concept car, which is based on the 599 GTB Fiorano. Engineers designed the experimental system to fit with either 8- or 12-cylinder Ferrari engines, up front or in the back.

5. Fisker Karma

Fisker Karma at the 2009 Detroit Auto Show
Kristen Hall-Geisler for About.com

Fuel type: 2 battery electric motors and a 2-liter gasoline engine

Top speed: 125 mph

0-62: under 6 seconds

 

The Karma has been on the auto show scene for a couple of years now, and it looks as great as it did the first time. It'll be the first -- and sexiest -- plug-in hybrid on the market.

6. Jaguar C-X75 Concept

Jaguar C-X75 Concept
Jaguar

Fuel type: four battery electric motors and 2 gasoline turbines

Top speed: 205 mph

0-60: N/A (it's a concept)

 

With its debut at the 2010 Paris Motor Show, the C-X75 pointed in the direction for Jag's next supercar, whether or not this exact car makes it to the street.

7. Koenigsegg CCXR

Koenigsegg CCXR
Koenigsegg

Fuel type: gasoline or biofuel

Top speed: 250+ mph

0-62 mph: 3.1 seconds

Koenigsegg calls this car "green," but it's really into the ethanol for the speed. If you fill it with high-octane gasoline, it has 806 bhp on tap. But throw E85 in the tank, and the output goes up to a whopping 1018 bhp.

8. Porsche 918 Spyder Hybrid Concept

Porsche 918 Spyder Hybrid Concept
Porsche

Fuel type: two electric motors and a V8 gasoline engine

Top speed: 198 mph

0-62 mph: 3.2 seconds

This hybrid Porsche exotic debuted at the 2010 Geneva Motor Show, alongside a track-only 911 GT3 R hybrid and a comparitively more mundane Cayenne hybrid. Don't be shocked, though -- Ferdinand Porsche invented the first hybrid car in 1903, so these guys can claim firsties.

9. Tesla Roadster

Tesla Roadster
Tesla Motors

Fuel type: battery electric motor

Top speed: 125 mph

0-60: 3.7 seconds

 

Despite corporate shenanigans and shakeups, the Tesla Roadster is proving itself a capable real-world electric sports car, the first of its kind. They're high torque serves them well on a drag strip -- if you can find a quick recharging station for the drive home.

  1. About.com
  2. Autos
  3. Exotic Cars
  4. Top Picks
  5. Alternative Fuel Exotic Cars

©2014 About.com. All rights reserved.