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« Pander Politics On Gasoline | Main | And You Thought Metro Was Crowded »

April 30, 2008

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Beach Bum

Actually, Brazil has had cars fueled by alcohol for 30 years now, since the OPEC crisis in the late 70's.

Somehow it never really caught on in the rest of the world, but in Brazil about half the cars run on alcohol, and a lot of new cars can use both fuels. (Alcohol is much cheaper, but slightly less efficient than gasoline, however it's renewable fuel, since it's extracted from sugarcane).

DC

Hydrogen isn't really fuel - it is an energy storage medium. You can't go and get hydrogen, you have to make it form some other energy source (usually natural gas). In a sense it is similar to a battery.

Hybrids today run entirely on gas but conserve energy that traditional cars used to waste by storing it into a battery.

New cars - like the Chevy Volt (yes GM is on the cutting edge, who knew) - will be plug in hybrids. They will flip the equation. They'll run primarily on electricity from the grid - stored in a battery, using an ICE as a back up and a range expander. You will actually plug this car in to a standard outlet and get up to 40 miles of driving before you switch to the gas tank.

Power off the grid is significantly more efficient and clean. A big power plant can get more power per gram (and per pound of CO2) than thousands of small power plants (which is what an ICE is) can. Additionally, the percentage of grid power that's from renewable sources has been increasing, 9.5% as of 2006, and will continue to thanks to government mandates and market forces.

Later version will involve batteries with such a long range that the ICE will be dropped. You can charge your car at any electrical outlet (much easier to find than a gas station).

Further out cars will have solar panels built into the roof and hood that will further extend the range. Your car will recharge for free while you're at work. Run out of charge? Park in the sun and wait.

That is where the most promise is. Now will fuel cells make better batteries than NiCad or NiH batteries? It's hard to say, but fuel cells require an extra step - using electricity to break up water molecules to get to the Hydrogen. That's a pretty big hill to climb up so I know where my money is.

JP

Alternative fuels are only part of the solution, but we need all the facts, including getting information on which technologies are getting federal subsidies.

You describe some of the problems with producing ethanol from corn, but there are many more. I recommend that folks read up on the WP article 'Siphoning Off Corn to Fuel Our Cars' as part of the food crisis series this week. For instance the quote that the amount of corn used to produce ethanol to fill a hummer gastank is enough to feed a human for a year.

There is no questions that the magic promise of hydrogen power is mesmorizing (clean water out of the tail pipe) but it will take 40 years, how will we travel in the meantime? The hydrogen-highway concept has a long way to go, and will be very expensive, who will pay for the cost of creating a whole new fuel delivery system?

Clearly, we need to stop dreaming of some magical technological innovation that is just around the corner in hopes that it will allow us to keep living status quo.. the times are a-changing..

Please listen to our informed policy experts (of which there are many in DC) who are right to warn us from choosing a certain technology (like Ethanol or Hydrogen), and instead we should force Congress to enact real efficiency laws (from cars, appliances, homes, etc) to create a system that prices actual costs of energy (including carbon and pollution) that will allow 'the market' to innovate and bring the best solutions and products forward.

Until the new innovative solutions come our way that we can support, we can start focusing on our own behavior, after all we are the ones creating the traffic:

How much do we travel, can we drive less? and carpool? How far do we live from work? What modes of travel do we chose? Which politicians (local, state, and fed) are proposing the best solutions? Where are the products we buy made? etc.

Get 'er done Steve!

ara

You neglect to mention electric cars. The technology is here today so why wait for hydrogen? Granted, coal is usually the source of our electricity, but it doesn't have to be that way. Our household's energy source is wind (VA's energy choice laws allow us to purchase wind power) so our electric bicycles are charged by the wind!

Joe

There's an article in the Washington Post today about the food-oil link. http://www.washingtonpost.com/wp-dyn/content/article/2008/04/29/AR2008042903092.html?hpid=topnews

Gilahi

Actually, there was a recent article in "The Washington Post" which reported that the hybrid cars that don't look any different from their standard counterparts actually DON'T sell as well as the ones that look very different and are obviously hybrids. It seems that there's some superiority mentality out there, and people who own hybrids want other people to know it.

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