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Drivers Test Honda's Hydrogen Car
By Ken Thomas, Associated Press Writer
Manufacturing.Net - October 17, 2008

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WASHINGTON (AP) -- For years, hydrogen fuel cell vehicles have been the far-off technological bets of the auto industry -- the car that holds the promise of gasoline-free driving.

Honda Motor Co. is starting to give a small number of drivers a glimpse into the future.

The Honda FCX Clarity debuted in July, and the automaker is leasing about 200 of the cars to customers in Southern California during the next three years. Tens of thousands of car enthusiasts have applied to be among the first to lease -- and for good reason.

Stylish and smooth, the Clarity opens a window into the possible: the combination of environmental responsibility and zero emissions with a fun, hip ride. If only refueling was a matter of pulling into the nearest filling station.

The Clarity is emerging at a difficult stretch for the auto industry, a year in which sales have been choked by a battered economy and a major credit crunch. So it might be easy to shrug it off as another advanced vehicle relegated to auto shows and the garages of the super rich.

As with any hydrogen car, there are caveats galore. Finding a hydrogen fueling station can be like getting a car loan with lousy credit these days. And most hydrogen is extracted from natural gas, releasing carbon dioxide and undercutting the emissions-free argument.

Honda's marketing of the car may also draw some skepticism. The company is offering three-year leases to a select few for $600 a month, which includes maintenance and collision coverage. Actress Jamie Lee Curtis and her husband, filmmaker Christopher Guest, have one. Other Clarity pioneers include Actress Laura Harris and "Little Miss Sunshine" producer Ron Yerxa, making it easy to dismiss the car as a Hollywood publicity stunt.

But on its merits, the Clarity delivers. It offers quiet, steady acceleration, high torque and a 280-mile range, allowing the driver to enjoy the ride instead of worrying about finding the next refill.

Previous generations of Honda's fuel cell vehicles have resembled futuristic econoboxes -- small, workmanlike and unpractical. The latest version is more refined, helped by a smaller and lighter fuel cell stack that is more easily packaged into a sedan. (The Clarity is about 4 inches shorter than a Honda Accord.)

In the fuel cell, hydrogen is combined with oxygen to generate electricity that powers the vehicle's motor. The water vapor that's produced exits through the tailpipe. The Clarity has a backup 288-volt lithium-ion battery pack, recharged by the car's deceleration, to provide more power when needed.

The cockpit is fun and innovative. The start button next to the center console starts the fuel cell stack. The display in the dashboard includes a dot that changes color and size as your hydrogen consumption grows, making it easy to monitor mileage.

A meter display on the dashboard charts battery levels and motor output. The speedometer was wisely placed above the cockpit display, in your sight line, to keep your eyes on the road. The interior is covered with plant-based fabrics.

The compressor that supplies oxygen to the fuel cell makes a whining sound. While the whirls and lack of engine vibrations at stoplights may require some getting used to, the 134-horsepower electric motor, with 189 pounds per foot of torque, offered smooth acceleration in city driving. On the highway, the Clarity easily surpassed 70 miles per hour without feeling compromised.

The Clarity's tank holds 4.1 kilograms (9 pounds) of compressed hydrogen, and the car gets about 77 miles per kilogram in the city, 67 miles per kilogram on the highway and 72 miles per kilogram in combined driving. Honda says that equates to 79 miles per gallon of gasoline around town, 68 mpg on the highway and about 74 mpg overall.

Honda is leasing the Clarity to customers in the Los Angeles area because of the proximity to three 24-hours-a-day public hydrogen stations.

If I could lease a Clarity here in Washington, D.C., I would have to rely on one Shell Station, but the vehicle would offer savings compared with similar vehicles.

In Washington, hydrogen was selling for $8.18 per kilogram, meaning a driver would spend that much to travel 72 miles in the Clarity. A 4-cylinder Honda Accord with an automatic transmission gets 24 mpg combined, so a driver would use three gallons of gasoline -- spending about $3.30 a gallon, or almost $10 -- to travel the same distance.

The lack of fueling stations will limit the reach of these vehicles for many years, but Honda is working on a home-fill unit that would connect to a residential natural gas line, generating hydrogen for your vehicle and heat and electricity for your home. The automaker, like others in the industry, note that hydrogen could be produced abundantly from renewable sources like wind energy.

Beyond the refueling problems, the car has some quirks. Instead of a traditional gear selector, the car has a small electronic shifter near the steering wheel that was awkward to use. The rear window seemed to limit visibility.

As with any advanced vehicle, the car created a stir around town. Fellow drivers craned their necks to check out the car, and plenty of pedestrians furrowed their eyebrows, as if to say, "What is that?" When I turned around at a gas station in northern Virginia, where gas was selling for $3.89 a gallon at the time, a man in a Redskins jersey turned to his friends and pointed at the car, his mouth agape.

Honda has not released the cost, but the price is out of reach for typical car shoppers. With production limited to just hundreds, some analysts have estimated it would cost $200,000. (Imagine how Tom Cruise's character in "Risky Business" would have felt if his dad's hydrogen fuel cell sunk into Lake Michigan.)

The Clarity, and any hydrogen fuel cell for that matter, has plenty of question marks and hurdles. But it gives us a sense of what lies ahead.

In an age of sluggish sales and tough times for the auto industry, the art of the possible may not mean much now. But the Clarity offers evidence that the futuristic advanced vehicles of tomorrow may be closer than we think.


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Hydrogen Cars  10/17/2008 11:38:00 AM
Thats Great. Big Problem, the infrastructure to fill a car with hydrogen is not in place. Where are you going to go to fill you car with hydrogen fuel. The only way that is goin to occur, is if the Govt starts to give industry tax incentives to provide Hydrogen / Gas filling stations. Tampa airport already has hydrogen running shuttle buses. The auto industry already stated to change from a gas to hydrogen engine can be done with a seamless change in producing the engine. The only problem is where do you go to get the hydrogen. In LA, there are only 3 stations you can go to and get hydrogen. The infrastructrure needs to be built first. Seems to me that we all need to get the govt envolved with producing and implementing the infrastructure for hydroden fuel filling stations.
This is the way to do it  10/17/2008 11:40:00 AM
By using Hydrogen cars, the Alternative Energy Source, Wind Solar Ocean, can be implemented by producing electricity and then using it in producing Hydrogen for those cars so we can be independent of oil
Tailpipe water vapor questions  10/17/2008 12:10:00 PM
Is condensation a concern? What happens to traction on a busy highway, with a wet strip in every lane (assuming most vehicles adopt this technology)? What about cold temperatures and the buildup of ice in the tailpipe and/or possibility of ice patches on the pavement? Or are the amounts insignificant?
Hydrogen refueling station available for a reason  10/17/2008 12:42:00 PM
The reason there is a hydrogen fueling station in Washington D.C. is that it is a deal between Shell and GM. GM is running a fleet of Hydrogen Equinoxs in Washington.
If it's high-tech, it must be Honda?  10/17/2008 12:52:00 PM
"Honda Motor Co. is starting to give a small number of drivers a glimpse into the future." They're not the only ones! Good ol' GM has had 100 fuel-cell powered Chevy Equinoxes, developed in upstate NY, in the hands of both auto industry and general public testers in "Project Driveway" since May. But they don't get nearly the press that Honda does.
It's not much use if the numbers don't add up.  10/17/2008 1:23:00 PM
You know when this hydrogen powered stuff will catch on? ... When it becomes economically viable. All these "alternate" energy schemes are great, except when you get down to comparing costs. The comment "... hydrogen could be produced abundantly from renewable sources like wind energy" fails to mention that wind energy is expensive, and mainly exists because of subsidies. When somebody comes up with technology that is truly price competitive with gasoline powered vehicles, we'll all beat a path to his door.
A lot of Good.  10/17/2008 1:51:00 PM
Lack of filling stations should not impede production efforts. If you build them (the cars), they will come. Someone will find a way to make a profit, and viola, more fueling stations. The home use hydrogen converter is fine, but one thing most people forget is that even though we get the fuel from electricity, the electric powerplant is a "point source" of pollution, much easier to control with available technology, as opposed to traditional gasoline engines, where we have tens of millions of mobile sources polluting the air. Ice in the tailpipe? A few drains in the tail pipe would elinminate that, and the amount of water coming out of the tail pipe is minimum, most of it is vapor.
Numbers not adding up  10/17/2008 3:01:00 PM
With regard to the numbers not adding up, prices will be reduced substantially from the quoted numbers in the article as competition occurs and manufacturers ramp up production capacity. But it would be a VERY long term process, given the long replacement cycles of vehicles & refitting filling stations,etc. This is why other intermediate solutions such as gas/hybrid should be pursued.
RE: Tailpipe water vapor questions   10/17/2008 3:53:00 PM
Don't forget about the normal gasoline combustion process. About half the mass of the reaction of gasoline with oxygen in the air is water vapor. Gasoline contains many hydrocarbons but for a simple example isooctane (C8H18) will work. one C8H18 will combine with 12.5 O2 molecules to make 8 CO2 (carbon dioxide) molecules and 9 H2O (water) molecules with perfect combustion. All other tailpipe emmisions from imperfect combustion, carbon monoxide, nitrous oxides (makes smog), etc occur in only very small percentages in proportion to vast majority of the main combustion products of CO2 and water. Plus its water vapor at high temperature and makes it through the exhaust system and stays water vapor. You ususally don't see most of it condense as visble liquid. On cold days you see a little cloud out the rear of the pipe and this is the water condensing. Also you see it collect and drip sometimes below the exhaust pipe when sitting and idling in colder weather. So if it was a problem, it would also occur with gasoline cars
I'm Ready  10/17/2008 3:59:00 PM
Make it reasonably priced and I'm there! I'm no tree hugger, but we need to be doing more than just SAYING we need to switch to alternate energy sources. This test, along with the poorly PR'd PM Equinox testing, is a step in that direction. I don't consider hybrids the answer; maintenance and battery replacement costs are way too high. Now we just need to explore these alternatives WHILE we drill, to enable us to have the ability to be energy-independent sooner, rather than later. Remember, at the turn of the 20th century, there were no gas stations either. However, private enterprise found a way.
H2 fueled cars not ready for prime time  10/17/2008 9:42:00 PM
The $600 per month lease is highly subsidized on this million dollar car, if unsubsidized, the lease would be over $7,000 per month! While the cost of H2 fuel for the Clarity works out to 11 cents per mile, the gasoline cost for a Prius is only about 7 cents per mile, and electricity costs for an electric like the Tesla Roadster is only 2 cents per mile! There certainly are cheaper and better solutions to our energy woes than million dollar cars running on expensive H2 fuel. Honda will only produce a few FCX Claritys, subsidized by the government, and used mainly for promotional purposes. Honda said it would take at least 10 years to make all the necessary breakthroughs in fuel cells and in H2 storage to make these affordable - but improved battery electrics and plug-in hybrids will have taken over long before that happens. The future is electric.
Poor use of electricity  10/23/2008 9:25:00 AM
The loses incurred with converting energy to electricity, THAT to hydrogen, and THAT back to electricity are untenable. Better to use the electricity directly in electric vehicles. Only where H is produced as a byproduct of a "clean" process (such as geothermal, as in Iceland) does it make sense to use it in transportation.


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