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OPEL Astra Caravan CNG
Fuel Types: Bi-fuel (CNG/Gasoline)

Manufacturer: Opel
Available In: Czech Republic
Source: International Association for Natural Gas Vehicles
Additional Sources: CNG Website (Czech) | General Motors International

Comments: The Astra Caravan CNG was released in 2002 and has a small 14-liter (3 gallon) gasoline tank in addition to the CNG tank. It gets 71 hp and can travel 370 km (230 mi) on CNG and 520 km (323 mi), if you include the gasoline reserve.
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OPEL Combo CNG
Fuel Types: Compressed Natural Gas (CNG)

Manufacturer: Opel
Available In: Germany, Spain
Source: International Association for Natural Gas Vehicles
Additional Sources: General Motors International

Comments: The Combo 1.6 CNG uses a monovalentplus engine, meaning that it runs primarily on natural gas (19 kg tank), but has a 14-liter (3 gallon) gasoline reserve tank in case there is not a natural gas fueling station nearby. It delivers 94 hp, has a range of 550 km (340 mi), and produces 133 g/CO2 per kilometer. The van has also been aerodynamically designed to reduce drag and improve efficiency.
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OPEL Zafira CNG
Fuel Types: Compressed Natural Gas (CNG)

Manufacturer: Opel
Available In: Germany, Spain
Source: International Association for Natural Gas Vehicles
Additional Sources: NetCarShow.com | Top Speed

Comments: The Zafira CNG was Opel’s first CNG vehicle, released seven years ago. For the 2009 model year, the engine has been updated to a 1.6-liter turbo CNG, delivering 150 hp and 210 Nm of torque. The previous engine only delivered 94 hp. It has been named the "Best Seven-Seater" in the German Motor Club Environmental Car List for five years in a row.
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Ford C-MAX CNG
Fuel Types: Bi-fuel (CNG/Gasoline)

 

Manufacturer: Ford
Available In: Germany
Source: International Association for Natural Gas Vehicles
Additional Sources: World Car Fans

Comments: The C-Max is a compact minivan (similar to a crossover SUV) that can run on gasoline, E85 or CNG. It can output 126 hp with CNG and 145 hp with gasoline. The car has a range of 300 km (200 mi) on CNG alone, and 720 km (420 mi) with CNG and gasoline combined.
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Ford Focus CNG
Fuel Types: Bi-fuel (CNG/Gasoline)

 

Manufacturer: Ford
Available In: Germany
Source: International Association for Natural Gas Vehicles
Additional Sources: CNG Website (Czech)

Comments: The Focus CNG is available with the 2.0-liter engine model. It can travel 186.4 miles on CNG and 435 miles on gasoline. It gets 110 hp using CNG and 136 hp using gasoline.
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Ford Ikon Flair CNG
Fuel Types: Bi-fuel (CNG/Gasoline)

 

Manufacturer: Ford
Available In: India
Source: International Association for Natural Gas Vehicles
Additional Sources: Car Dekho (India) | Ford (India)

Comments: The Ikon Flair CNG is available in select cities in India and can run on either CNG or gasoline. The CNG engine outputs 70 hp and 10.1 km/l in the city and 14.2 km/l on the highway. The Ikon was launched in 1999 and is one of India’s highest-selling models.
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Chevrolet Optra Magnum CNG
Fuel Types: Compressed Natural Gas (CNG)

Manufacturer: Chevrolet
Available In: Singapore
Source: International Association for Natural Gas Vehicles
Additional Sources: Asia One News, Motoring Section | General Motors International

Comments: This is the first CNG car from Chevrolet available in Singapore. One of the reviews noted some problems with the car, but the other reviews gave it high marks. The Chevrolet Singapore site has links to numerous reviews under the "learn" tab. The Chevrolet Singapore website also highlights the cost savings of driving the CNG version of the car, as opposed to the gasoline version, claiming an average yearly savings of $2,466.
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Mercedes Benz B 170 NGT BlueEFFICIENCY
Fuel Types: Bi-fuel (CNG/Gasoline)

Manufacturer: Mercedes Benz
Available In: - - -
Source: International Association for Natural Gas Vehicles
Additional Sources: Daimler AG | Green Car Journal

Comments: The B 170 NGT BlueEFFICIENCY is a bi-fuel vehicle that can run on either gasoline or natural gas. It gets 116 hp on either gasoline or natural gas, so there is no performance difference between fuels that has been noticed on other bi-fuel vehicles. It can travel about 180 miles on natural gas and about 620 miles total. Another feature the BlueEFFICIENCY line offers is that the car automatically shuts itself off when idle for more than a few seconds, and automatically restarts as soon as the clutch or brake pedal is released. This is an effort to conserve fuel, and the transition is so fast that the driver won’t notice it. It is currently available in several European countries (articles didn’t specify which ones) and some of the B-series is available in Canada, though the CNG version is not there yet.
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Mercedes E200 NGT
Fuel Types: Bi-fuel (CNG/Gasoline)

Manufacturer: Mercedes Benz
Available In: Austria, Germany, Italy, Sweden, Switzerland
Source: International Association for Natural Gas Vehicles
Additional Sources: Super Car News | Top Speed | Motor Trader (Malaysia)

Comments: The E200 NGT is a full sized sedan based on the E200 Kompressor. Like the B 170 NGT above, it gives the same amount of power for both gasoline and natural gas, at 163 hp. A switch on the steering wheel allows the driver to switch between gasoline and CNG, and a display on the instrument panel lets the driver see how much is in each tank. When the CNG tanks runs out, the car automatically switches to gasoline, and once it is refueled with CNG it automatically switches back to CNG. It has a total range of 1000 km (621 mi), with 300 km (186 mi) from CNG.
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VW Golf Variant
Fuel Types: Bi-fuel (CNG/Gasoline)

Manufacturer: Volkswagen
Available In: Czech Republic
Source: International Association for Natural Gas Vehicles
Additional Sources: CNG Website (Czech)

Comments: The vehicle gets 75 kw (100 hp) and can travel 210 km (130 mi) on one tank of CNG. There is also a 55-liter (14.5 gallon) gasoline tank in the car.
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VW Touran EcoFuel
Fuel Types: Compressed Natural Gas (CNG)

Manufacturer: Volkswagen
Available In: Germany
Source: International Association for Natural Gas Vehicles
Additional Sources: Green Car Journal | Volkswagen Media Services

Comments: The Touran EcoFuel is a bi-fuel van powered by either CNG or gasoline. It gets 109 hp, has a top speed of 112 mph, and has a range of 192 miles on natural gas. It averages 41 mpg when running on CNG. By default, the engine starts on CNG unless the temperature is below 59 degrees F or the CNG tank in empty, in which case it uses gasoline to start the engine.
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Honda Civic GX NGV
Fuel Types: Compressed Natural Gas (CNG)
Manufacturer: Honda
Available In: United States
Source: International Association for Natural Gas Vehicles
Additional Sources: Honda Motor Company | Gas 2.0 Website | Yahoo! Autos

Comments: The Civic GX is the only CNG vehicle available to the public in the United States. It only runs on CNG, unlike many of the bi-fuel vehicles available in other countries that have a gasoline or diesel reserve tank. Honda claims that this allows the vehicle to offer more economic and low-emission benefits than bi-fuel counterparts. Right now it is only available in California, New York and Utah, and orders are already backed up through 2009. It gets 113 hp with 24 mpg in the city and 36 mpg on the highway. Honda states that it has a range of 220 – 250 miles, but consumers have reported a range of about 180 miles.
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Hyundai Accent
Fuel Types: Bi-fuel (CNG/Gasoline)

 

Manufacturer: Hyundai
Available In: India
Source: International Association for Natural Gas Vehicles
Additional Sources: Automobile India | Drive Inside | MaxAbout.com Autos

Comments: The Accent CNG was released in India in June 2008. It runs on either CNG or gasoline, with a driver-controlled switch to alternate between the two tanks. It has a 94 hp engine and a top speed of 167 km/h (103 mph).
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Hyundai CNG i-blue
Fuel Types: Compressed Natural Gas (CNG)

 

Manufacturer: Hyundai
Available In: - - -
Source: International Association for Natural Gas Vehicles
Additional Sources: Green Car Congress | World Car Fans | Natural Gas Vehicle Information (China)

Comments: The i-blue is a concept series by Hyundai, emphasizing a range of technologies to reduce fuel consumption and CO2 emissions. It is expected that many of the features used in these concepts will be incorporated into Hyundai’s existing line of cars. The CNG concept of the series, i10 blue CNG, has a 0.8L 3-cylinder turbocharged engine and a CNG application that emits only 65g/kg of CO2.
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Mitsubishi Lancer CNG
Fuel Types: Compressed Natural Gas (CNG)

 

Manufacturer: Mitsubishi
Available In: India
Source: International Association for Natural Gas Vehicles
Additional Sources: Money Control (India)

Comments: The Lancer CNG runs on a 1.5-liter engine that is converted to CNG at the dealership when the vehicle is sold. The vehicle is advertised as a more economical and greener option to the traditional gasoline-powered Lancer. The Lancer CNG is also proof that CNG powered vehicles can perform well. In October 2007, a Lancer converted to CNG won an international rally car race, finishing 47.7 seconds faster than the second place car.
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Citroën Berlingo
Fuel Types: Bi-fuel (CNG/Gasoline)

Manufacturer: Citroën
Available In: France, Germany
Source: International Association for Natural Gas Vehicles
Additional Sources: Citroënet (Canada) | CNG Website (Czech)

Comments: The CNG version of the Berlingo (Berlingo First 1.4i) reduces CO2 emissions by 18% and increases the range by 300 km (gas and CNG combined).
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Citroën Elysée
Fuel Types: Bi-fuel (CNG/Gasoline)

Manufacturer: Citroën
Available In: China
Source: International Association for Natural Gas Vehicles
Additional Sources: Citroënet (Canada)

Comments: The Elysée has been redesigned for 2008, with a new name, the C-Elysée. Improvements were made in the areas of style, quality and technology. There was not any new information about the CNG technology in this vehicle, besides the fact that there is a CNG version of the car available.
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Fiat Doblò 16V
Fuel Types: Bi-fuel (CNG/Gasoline)

Manufacturer: Fiat
Available In: Czech Republic, Germany, Italy, Spain
Source: International Association for Natural Gas Vehicles
Additional Sources: Green Car Congress | The Auto Channel

Comments: The CNG version of the Doblo can run on either gasoline or natural gas. The van uses gasoline to start the engine, but automatically switches to CNG after starting. The driver can switch back to gasoline at any time if necessary. Running on CNG gives 92 hp and 130 Nm of torque and gasoline gives 103 hp and 145 Nm.
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Fiat Multipla Natural Power
Fuel Types: Bi-fuel (CNG/Gasoline)

Manufacturer: Fiat
Available In: Germany, Italy, Spain
Source: International Association for Natural Gas Vehicles
Additional Sources: CNG Website (Czech) | Top Speed | The Auto Channel

Comments: The Multipla can seat six passengers and runs on either gasoline or CNG. The engine gives virtually the same performance whether running on CNG or gasoline, with gasoline being only slightly more powerful.
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Fiat Panda Natural Power
Fuel Types: Bi-fuel (CNG/Gasoline)

Manufacturer: Fiat
Available In: Germany, Italy, Spain
Source: International Association for Natural Gas Vehicles
Additional Sources: CNG Website (Czech) | Monsters and Critics | The Auto Channel

Comments: Fiat offers the CNG-powered Panda in a variety of options. There is the regular Panda, the Sport Panda with a 100 hp engine and a top speed of 185 km/h (115 mph), the Panda Climbing with an SUV appearance, and a Panda Van.
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Fiat Punto Natural Power
Fuel Types: Bi-fuel (CNG/Gasoline)

Manufacturer: Fiat
Available In: Germany, Italy
Source: International Association for Natural Gas Vehicles
Additional Sources: Green Car Congress | Car Pages (UK)

Comments: The Punto was voted the Best Environmental Car in Sweden in 2005. Its power output is 52 hp, which enables a top speed of 145 km/h (90 mph), and can go from 0 – 100 km/h (0 – 62 mph) in 19 seconds when running on CNG. It can run on either CNG or gasoline, allowing the driver to switch between the two fuels. There is also a sensor that will automatically switch to gasoline when the CNG tank is about to run out of fuel.
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Fiat Siena 1.4 Tetrafuel
Fuel Types: Compressed Natural Gas (CNG), Dual-fuel (LNG/Diesel)

Manufacturer: Fiat
Available In: Brazil
Source: International Association for Natural Gas Vehicles
Additional Sources: Italia Speed | Green Car Journal

Comments: This vehicle can run on CNG or on any blend of gasoline and ethanol (anywhere from pure gasoline to pure ethanol). The default fuel is natural gas, but the computer automatically senses when a different fuel would be more economical (e.g. hill requiring extra torque or acceleration). It automatically switches back to CNG when the computer determines that it once again is the appropriate fuel. It will also switch to gasoline/ethanol when the natural gas pressure drops below 150 psi.
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Geely CK 1.3 L CNG
Fuel Types: Compressed Natural Gas (CNG)

 

Manufacturer: Geely
Available In: China
Source: International Association for Natural Gas Vehicles
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Lifan 520
Fuel Types: Bi-fuel (CNG/Gasoline), Dual-fuel (LNG/Diesel)

 

Manufacturer: Lifan
Available In: China, Peru
Source: International Association for Natural Gas Vehicles
Additional Sources: NGV Global

Comments: The 520 CNG was released in China in June 2008 and Lifan will release the car in Peru in the near future. It has a 65 L CNG tank that uses 6.22 liters per 100 km of driving. It will be offered with either a 1.3- or 1.6-liter engine, and bi-fuel with either gas or diesel.
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Renault Kangoo
Fuel Types: Bi-fuel (CNG/Gasoline)

 

Manufacturer: Renault
Available In: Germany
Source: International Association for Natural Gas Vehicles
Additional Sources: Green Car Congress | Natural Gas Vehicle Information (China)

Comments: The Kangoo is a bi-fuel vehicle that gets 94 hp on gasoline and 80 hp on natural gas. It has a 13 kg natural gas tank that can travel 220 km (136 mi), and has a 50-liter (11 gallon) gasoline tank. It has a top speed of 158 km/h (98 mph). While traveling on CNG, it has the equivalent of 28 mpg.
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SKODA Octavia CNG
Fuel Types: Bi-fuel (CNG/Gasoline)

 

Manufacturer: Skoda
Available In: Germany, Spain
Source: International Association for Natural Gas Vehicles
Additional Sources: NGV Global | Monsters and Critics

Comments: The Octavia CNG is a bi-fuel vehicle that gets 88 hp running on CNG and 102 hp on gasoline. It has a 17 kg CNG tank with a range of 300 km (186 mi) and a 55-liter (14.5 gallon) gasoline tank with a range of 400 km (248 mi), giving the vehicle a combined range of 700 km (434 mi). It costs 20,830 Euros ($30,609), which is about 1,000 Euros ($1,400) more than the gasoline-only version.
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