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Barack Obama speaks about lowering gas prices in Beckley, WV on March 20, 2008. The last 45 seconds of this is great.
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War in the middle east... so soccer mom's can off-road in 10 ton SUV's.
Don't you understand?! Those kids have to be there in time for practice or the Terrorists win!
However, investing in reducing bottlenecks and fuel-efficient machines certainly makes sense.
Global consumption of oil averages around 4 quadrillion watts, which is roughly the amount of electricity that would be produced on average by a 200km * 200km square of photovoltaics.
second question first
As far as I can tell they are certainly viable and great alternatives, but can they be mass produced and will people around the world really adopt it?
yes, it is possible. after all, people would have been asking the same questions at the beginning of the 20th century about the viability of automobiles when they first appeared.
Hmm...maybe someone with better expertise can help me, but will alternative fuel ever be really sufficient?
No, it will never be sufficient. Compare Detroit, a typical American city, and Copenhagen, a typical West European city. Both have roughly the same population at about 1 million. However, Copenhagen is about twice as densely populated as Detroit meaning the same amount of people live on smaller area of land. While only being twice as dense, they consume only 1/9th of the energy of their American counterpart. And of course that has to do with better mass transportation as well as higher rates of walking and bicycling. Alternative fuels and hybrid/electric cars are only a small part of the solution.
A Hydrogen tank with 55kg @ 3000psi will weigh approximately 400kg and offer approximately 165 miles of driving range while costing $2000.
A gasoline tank, at 17 gallons, weighing 73kg, will offer 493 miles at a cost of $100.
The reasons for the increased tank weight with Hydrogen is due to the high pressure the Hydrogen must be stored at. The tank must be built heavy, and incredibly strong and durable in order to contain that pressure.
A more viable solution which we can easily invest in and promote would be purely electric cars, running on battery power. I recommend everyone who hasn't seen Who Killed The Electric Car? to run out and rent it as soon as possible.
Hmm...maybe someone with better expertise can help me, but will alternative fuel ever be really sufficient?>
As aaronfr said, it just part of the puzzle. According to Amory Lovins we can stop using oil, today if we simply use all the reduction/substitution technologies we already have, see:
www.videosift.com/video/TED-Talks-Amory-Lovins
A Hydrogen tank with 55kg @ 3000psi will weigh approximately 400kg and offer approximately 165 miles of driving range while costing $2000.
A gasoline tank, at 17 gallons, weighing 73kg, will offer 493 miles at a cost of $100.
You make me laugh. Honestly, not trying to slam you or anything, but it's funny how you used the metric system for weights and the English system for distance.
Just odd, is all.
A gasoline tank, at 64 liters, weighing 161 lbs, will offer 793 kilometers at a cost of €64.
You make me laugh. Honestly, not trying to slam you or anything, but it's funny how you used the metric system for weights and the English system for distance.
Just odd, is all.
I blame the fact that I was educated in Canadian Schools, but have spent a good portion of my last decade working through the Automotive Industry and dealing with American Manufacturers.
*shakes fist*
It's government regulations that make building new refineries next to impossible, not the free market.
While it's true that reducing demand would reduce gas prices, he's stated at the beginning that won't happen due to China's and India's increased oil demands.
There's another way prices would lower: by increasing the available supply of oil, but the "hippies" in Congress (including McSame) won't let us tap our own supply (ANWR) because it might damage caribou self-esteem.
Alternative fuels? They're going to have to fight it out. Just like BluRay and HD-DVD...let the free market decide which technology wins between hydrogen and electricity and whatever. All government can do is prop up a loser like ethanol to delay whatever was destined to win.
Do you really favor a would-be President who tells you what you're allowed drive, be it scooter or limo? I don't. It's none of his damned business.
Arrogance without substance.
fuel cells use Hydrogen as power source. Where can you find Hydrogen? Hint: What is water "made" out of? How much water is there on earth? go figure ;-)
And yes, that's oversimplificated. I do know that there is a notable amount of energy needed to split up the molecules in water. But who says that energy cannot come from photovoltaic, wind etc.
Oh and by the way: Currently (Germany) i'm paying 1.52€/liter, that's 2,38$/liter which equals 9$/gallon. In my 2nd home Ireland it's just a few cents less. So i would be happy with US prices. ...globalization at its best ;-)
The irony here is staggering.
That's right, poor poor Exxon is struugling to make Trillions in obscene profits off the dead bodies of soldiers in Iraq because of "government regulations". Oil company execs should be thankful they haven't (yet) been dragged out of their houses by vigilantes and hung for the atrocities they're guilty of perpetrating.