Hydrogen Cars Vehicles

The Chrysler ecoVoyager fuel cell concept vehicle was unveiled at the 2008 Detroit Auto Show on the last January 14 2008. The 2008 Chrysler ecoVoyager Concept is a four-passenger, four-door hydrogen concept Chrysler ecoVoyager embodies bold design coupled with the latest advances in fuel cell and hybrid technologies.

The safe and ecology-minded zero emissions ecoVoyager uses a 45 kw fuel cell stack and 268 hp (200 kw) electric motor and a “Range-extended Electric Vehicle technology” that can make this car run as far as 300 miles before refueling. According to Chrysler’s report, the ecoVoyager is able to travel the first 40 miles on the 16 kw lithium-ion battery pack alone before needing an assist from the fuel cell stack and 10,000 psi hydrogen tanks.

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The BMW Hydrogen 7 luxury automobile is said set to hit the streets according to the BMW Group. BMW Hydrogen 7 is the first commercial hydrogen cars to market and its taking the lead before Mazda, introducing its first 7-Series production hydrogen vehicles in both the USA and Germany.

Unlike ther hydrogen cars which are powered by fuel cells, the Hydrogen 7 is powered by a 12-cylinder internal combustion engine (ICE). From the engine technical view, the BMW Hydrogen 7 generates 260 hp and can accelerates from 0 - 60 mph in just 9.4 seconds. BMW Hydrogen 7 runs on liquid hydrogen fuel instead of compressed hydrogen as is typical for fuel cell vehicles. The vehicle’s maximum speed is electronically limited to 143 mph.

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The BMW HR2 hydrogen car is built in 2004 as a race car and has set 9 international and FIA-ratified land-speed records for hydrogen cars. The records were set at the Miramas Proving Grounds in France. With the technology, the BMW HR2 is one of the few hydrogen cars developed with internal combustion engine (ICE) technology instead of fuel cell technology.

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The Audi Hydrogen A2 car, also dubbed A2H2, combines the new high-tech environmentally friendly design of a green H2 vehicle. The Audi Hydrogen A2 car is a small sports car and it uses a Ballard PEM fuel cell stack combined with a high-torque electric motor to accelerate from 0-60 mph in just under 10 seconds. TThe A2 was the base for Audi’s 3L program, which is a popular model in Europe.

What the A2 did provide for Audi was a platform for producing several environmentally friendly green vehicles, including the basis for its 3L program. 3L stands for three litres and not the engine capacity, but the average fuel consumption in litres per 100 km driven, which is equivalent to about 94 mpg.

The Audi Hydrogen A2H2 car has a top speed of 109 mph and contains three Dynetek hydrogen storage tanks at a pressure of 350 bar, for a total capacity of 1.8 kg (3.96 lb.) of compressed hydrogen. The A2H2 power came from the 66 kw synchronous electric motor that delivers up to 425 nm (313 lb.-ft.) torque, which can be powered both directly by the PEM fuel cell as needed and the 38 kw NiMH traction battery pack. With this combination, A2H2 power can deliver up to 150 bhp (110 kw) for short periods such as for passing another vehicle or for climbing hills.

A2H2 uses regenerative braking in order to recapture kinetic energy and recharge the battery pack. The A2H2 use the simplest automatic transmission shifter where the reverse, neutral and drive gears were on the right side and the high and low gears on the left closest to the driver. Price for this car is unknown yet.

Audi A2 Specifications:

• Type: 5-door hatchback
• Layout: front engine, FWD
• Engine: 150 hp, 313 lb-ft of torque, fuel cell-powered electric
• Brakes: disc / disc, ABS
• Acceleration (0 - 60 mph): under 10 seconds
• Top Speed: 109 mph
• Maximum Range 137 miles
• Fuel Economy (estimate): 78 mpg
• Fuel Type: compressed hydrogen gas