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Article from the Sindie...

Zero-emission road travel and cleaner skies are in touching distance. But how much will it cost the consumer?

By Dominic Luddy
Sunday, 20 July 2008

Independent.co.uk

In less gloomy times for the economy, being a green motorist seemed much easier. Like the supermarket shopper buying organic spuds or eco-friendly washing-up liquid, driving an environmentally friendly car was seen as an expensive but worthwhile gesture. With rising inflation and fuel prices now hitting shoppers and motorists hard, what’s the real cost to you and the planet?

Hybrid technology is now available in mass-market vehicles such as the Toyota Prius and the Honda Civic Hybrid. Running on both a petrol-fuelled combustion engine and an electric motor powered by batteries, these types of car are much more efficient in terms of fuel economy and CO2 emissions than most road vehicles, which guzzle gas alone. The Civic Hybrid produces 109g/km of CO2 compared to 150g/km for the regular Civic – over a quarter less. As we know, petrol these days doesn’t come cheap, but nor do these cars. The Civic Hybrid is £2,500 more expensive than the standard model.

So, are there alternatives that don’t cost the earth?

Hybrid and alternative energy vehicles are very popular in the States. In June this year, sales of the Prius fell by a third – but only because they couldn’t keep up with the massive demand (Toyota are now planning to manufacture the car in the USA). In the same month, the latest generation of Hondas began to roll off the production line. The new FCX Clarity is a hydrogen fuel-cell powered car, which this month will be delivered in limited numbers to Californians, including the film actress Jamie Lee Curtis.

The hydrogen fuel-cell works in a very clean way, producing electricity directly from the reaction between hydrogen and oxygen. Water is the only by-product. Performance is comparable to a petrol powered machine, reaching 60mph in 10 seconds and maxing out at 100mph. It raises the question of when the rest of us will get a look in. John Kingston, environment manager at Honda, provides the answers. “Japanese customers will see deliveries in November this year, but the infrastructure just isn’t in place elsewhere in the world. California already has five hydrogen fuelling stations, with 20 expected by 2010, so it’s a great testing bed.” So is there any alternative to hydrogen power for the UK market? “Very much so. We’re launching a completely new car next year called the Global Hybrid, which will be significantly more affordable than the current Civic Hybrid – bringing green motoring to a wider audience.”

Honda’s research and development team are no less busy than their production line. Their research into hydrogen fuel-cells has extended to the home energy station, which can charge up the fuel-cell, steaming the hydrogen out of your regular gas supply at home. Although it’s likely to be several years before this technology leaves the lab, it all helps to build the infrastructure needed to make this energy source viable.

But giving everyone somewhere to park up and pipe hydrogen into the tank is not the only hurdle. Its availability is problematic. Pure hydrogen gas does not occur naturally in concentrated amounts, so it has to be extracted from sources such as water, coal and natural gas – all of which can damage the environment. More needs to be done to produce hydrogen from renewable sources such as solar power before it can be considered a truly clean solution.

British engineers are also doing their bit. Lotus unveiled a tri-fuel version of its famous Exige, which runs on any mixture of gasoline, bioethanol and methanol. Performance isn’t sacrificed either – this is the most powerful Exige yet, with a top speed of 158mph. The Government is also putting money into a range of projects. As one of 16 low-carbon vehicle projects receiving funding from the Technology Strategy Board Ford, Jaguar and a number of partners, including Flybrid Systems, are exploring kinetic energy recovery. This means taking the energy generated during braking, and returning it as electrical energy to power the vehicle. According to Jon Hilton, of Flybrid, we could see their flywheel-based system hit the road by 2013.

Lotus are again involved in the state-backed Zero Emission London Taxi Commercialisation project – powering our cabbies with hydrogen in time for the 2012 Games in London. The capital seems especially fond of this energy source. New mayor Boris Johnson is persevering with Ken Livingstone’s plan to launch a fleet of 10 hydrogen-fuelled buses by 2010. So, have Transport for London considered the downside? Yes, according to a spokesperson, and they’re looking to the long term. “The hydrogen production process does produce some emissions, but even when this is taken into account, we still expect to make significant cuts in overall CO2 emissions. We expect hydrogen fuel-cell buses to produce 50 per cent less CO2 than their diesel counterparts, with that figure improving as even greener sources of hydrogen are developed.”

Public transport on the road or rails is by its very nature a greener way of getting around – and it can give you a saving on the running costs of a car. What’s not so clear is whether air travel is an acceptable alternative to using your own wheels.

When you consider the extra journeys to and from the airport, relatively high nitrogen oxide emissions (known as NOx), noise pollution and, of course, competition from ever greener automobiles, it’s not looking good. The aviation industry wants to improve things through the European Clean Sky initiative. This aims for a 50 per cent cut in CO2 emissions by drastically reducing fuel consumption, as well as an 80 per cent reduction in NOx emissions.

While, given rising fuel costs, the price of a ticket is not likely to drop, initiatives like this can take air transport in a greener direction, especially with the involvement of big players such as Airbus, who are also testing second generation biofuels. The company’s CEO, Thomas Enders, points out: “The environmental challenges facing aviation today require collaboration for solutions.”

But what can you afford to do for the planet? You’re not likely to get your hands on a shiny new hydrogen fuel-cell car just yet. But wait a couple of years, and you could be catching a zero-emission bus along London’s Oxford Street.
Very promising.

If they ever get that underwater tunnel train from Scotland to Labrador set up, maybe I could take a ride to the UK.  At 300 MPH you could be in the UK in 7 hours.
Production of Hydrogen to power hydrogen fuelled vehicles doesn't make energy sense. You use power to create it, and losse some efficency there. Then the cell / engine has to convert it back to where it came from in the first place. More loss of energy. Not a very realistic solution. But perfect for big oil when oil begins to sputter and die.

What makes much more sense is direct conversion of solar to electric vehicle use. Pipe the solar to the grid during the day and get paid for it. Then take back from the grid to recharge the EV. And have a network of fast charge stations. Its so blindingly obvious.

The technology is here available and can be used. Lithium Ion batteries, high efficiency electric, fast charge, regenerative braking. Also moulded carbon fibre (cuts weight) You can even convert your current gas guzzler to full electric without loss in performance. But then again, big oil can't sell you fuel.

Shrek Wrote:
Very promising.

If they ever get that underwater tunnel train from Scotland to Labrador set up, maybe I could take a ride to the UK.  At 300 MPH you could be in the UK in 7 hours.


Ah, Shrek. First post after the OP.   I just knew you'd leap to this thread! CoolSmile

micgrace Wrote:
Production of Hydrogen to power hydrogen fuelled vehicles doesn't make energy sense. You use power to create it, and losse some efficency there. Then the cell / engine has to convert it back to where it came from in the first place. More loss of energy. Not a very realistic solution. But perfect for big oil when oil begins to sputter and die.

What makes much more sense is direct conversion of solar to electric vehicle use. Pipe the solar to the grid during the day and get paid for it. Then take back from the grid to recharge the EV. And have a network of fast charge stations. Its so blindingly obvious.

The technology is here available and can be used. Lithium Ion batteries, high efficiency electric, fast charge, regenerative braking. Also moulded carbon fibre (cuts weight) You can even convert your current gas guzzler to full electric without loss in performance. But then again, big oil can't sell you fuel.


Agreed... However I think its the energy density possible in the storage of hydrogen in the metal hydride containment technology that makes it good (in cars at least) since batteries weigh soooo much and have a too-limited range atm...

Also a hydrogen powerd car (if it was burning the hydrogen) is more conventional to drive Smile

Best to use whats available here and now.  And thats solar / electric. Lithium Ion polymer batteries are available now, many life cycles, much higher density charge, much lighter and compact but expensive for now. Everything exists.

Problem with fuel cell is contamination of the catalyst. It kills it. Metal Hydride can store a lot of H2 but it is still limited. Then there's the production and distribution problem.

I'd be more willing to bet on electric making big inroads rather than H2. There are new electric vehicles scheduled for release soon. Tata (Indian). Nissan. Plus a sports car in the US. Plus whatever else thats under wraps.
I read another article about this yesterday.
The trick is a new solar cell that is very cheap and much more effective than the ones we have now. (which releases more co2 to produce than what you actually save by using them..)
Solar energy produces o2 + h2 from water:
http://www.physorg.com/news122534699.html
This one's from freebie newspaper Metro...

The eco-friendly ice car
by SOPHIE FREEMAN - Sunday, August 31, 2008

See picture at
http://www.metro.co.uk/weird/article.htm..._a_source=


James Bond's iconic Lotus Esprit famously let him travel in style on road and under water.

Now, the boffins at Lotus have come up with a machine that will let him whizz along on snow - and without creating too much pollution. But, alas for 007, it's not for Bond.

It may look like it's made of Meccano but the Lotus Concept Ice Vehicle is built to withstand a 4,800km (3,000-mile) trek across Antarctica.

And, because it would not look great for explorers to pump out masses of CO2 on their trip, the CIV runs on biofuel. There are no worries about it starting in the cold either - it works at temperatures as low as -72ºC (-98ºF).

'Antarctica remains one of the world's great mysteries,' said Kieron Bradley, an ex-Formula 1 designer who built the innovative buggy.

'The process has been one big learning curve.'

The propeller-powered vehicle has a top speed of 84mph and weighs just 360kg (790lb). It's light enough to pull by hand across uneven terrain.

The CIV even has a special radar which can detect dangerous crevasses under the ice. It will track a path to the South Pole for two explorers who want to highlight the importance of the ice caps to the planet.

Andrew Moon and Andrew Regan will follow with their crew and equipment in six-wheel drives - not as green but still low emission.
3 readers have commented on this story so far. Tell us what you think below!

Here's a sample of the latest comments published. You can click view all to read all comments that readers have sent in.

A remarkable new, multi-purpose research tool with implications for rapid response, rescue operations, reconnaissance and perhaps general transportation once it evolves from concept to operational configuration(s).

- Bernard Lopez, Tesuque, NM, USA

In a strange way I can't help but agree with the sentiment of what you said... BUT! Perhaps it's that kind mental apathy that perpetuates the downward spiral. The majority of people need symbols to galvanize their faith and if this vehicle and expedition achieves that in some way then surely it's a success? Yes they could have told people the ice caps were melting from a more convenient soap box... but even less people would have listened. The world is mobilized to change by extravagent action, not by the back alley grumblings arrogant apathetic cynics.

- Jack Shaw, Texas, USA

Bio-fuel and green aside, do we really need to travel to the poles again and again? Look at the Mt. Everest summit with the massive garbage dump of empty O2 cylinders. Is it adding to the overall knowledge of the planet and reducing our dependence on foreign fuels? Or is it the typical mental masturbation of the rich and powerful? I hope they have an Ego-stroke and die. After all, six BILLION and counting, do you really matter? As for me, I could care less.

- Crash, lowell mich usa
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