Even this year, news leaked that GM was
launching a commercial fuel cell vehicle in 2015, despite lack
of support for the hydrogen movement from U.S. President Barack
Obama. However, of late, the big automakers like Toyota
have backed off the effort to push hydrogen vehicles onto the
study might put another road block in front of the prospect of a
near term commercial hydrogen vehicle release, while giving the
plug-in vehicle movement a nice boost. The study was authored
by Ryan McCarthy at the University of California, Davis and published
in the Journal of Power Sources. The ground-breaking study,
entitled "Determining marginal electricity for near-term plug-in
and fuel cell vehicle demands in California: Impacts on vehicle
greenhouse gas emissions", examines the emissions impact of
hydrogen and plug-in vehicles versus their gas
Lowering carbon emissions to fight warming,
along with high fuel prices and global-political instability, has
been a key driving factor for the adoption of hybrids and alternative
fuels. The new study, though, judged hydrogen vehicles to be an
utter failure at that objective, in their current state. The
study concluded, "All of the pathways except for [fuel cell
vehicles] using hydrogen from electrolysis reduce [greenhouse gas]
emissions compared to ICEs and [hybrid electric vehicles]."
doesn't dissuade further research into hydrogen vehicles; it simply
indicates they are unlikely to be ready for showtime anytime soon.
It points out that steam methane reforming is a promising emerging
method of hydrogen production that may one day allow hydrogen driven
vehicles to actually live up to their emissions promises.
the near term, the study finds that plug-in electric vehicles are the
best option in terms of lowering carbon emissions. Despite
using electricity mostly generated by "relatively inefficient
steam- and combustion-turbine plants" the well-to-wheel carbon
impact of EVs is still significantly lower than hybrids.
by no means the definitive study on the topic, the new work does much
to fill in the gap in knowledge about what exactly the true impact of
green vehicles are. While the topic of on-the-road emissions
has been well researched, there's been much less progress in
examining the full lifetime impact of vehicles. Now, that
lifecycle has been examined in depth and EV advocates can put another
feather in their caps, while hydrogen advocates are once again handed
The study may play a crucial role in forming
the policy of California's Low Carbon Fuel Standard, an effort to
reduce the carbon impact of transportation. And given that
President Barack Obama's Environmental Protection Agency has embraced
California's emissions policy, the new study could have a
profound impact on the course of regulations and the auto market
nationally, as well.
quote: Give it a few more years at least before you can be definitive.
quote: The green movement didn't really start the research of alternatives. Its based around money. When fossil fuels got more expensive it started to become economical to research alternatives. Since everyone is looking for alternatives to the unstable Commodity that is Fossil Fuel.There is a notion of buying green things since its better for the environment if people have the income go ahead and buy it if it makes you feel better. Most Hybrid Owners don't give a crap about Conservation its about the Image of driving the car. The image about being green and the Snobbish attitude.
quote: Capitalism funded advancement of Technology and made it possible to have our current population.
quote: 2. I didn't say anything was wrong about buying hybrid cars if you can afford it. I was stating an overwhelming truth about people who buy hybrids do so for the image of being green. There is no need to scare the public, the Car companies will sell you the image of being green to sell the car.
quote: In my "old" country, temperatures have been recorded for over half a century and CO2 was recorded for about a quarter of that. All to say, there is a correlation (according to my country's scientists) in between CO2 and temperatures.Warmest 10 days since the last 500 years? All in 2000+Coldest 10 days since the last 500 years? All in 2000+Wettest 10 days since the last 500 years? All in 2000+
quote: You can't deny that the planet has warmed up since the little ice age and after industrialization
quote: I wouldn't negate 100+ years of accurate data representing a warming along with CO2 increases because of one year of contradictory data.
quote: For instance a smallish solar array producing power for the newer types of hydrolysis could easily produce enough Hydrogen to run a couple of vehicles and power for a well designed modern home
quote: There's an interesting concentrator
quote: Factor in 15% efficiency (about what the best commercial grade panels right now can deliver).
quote: Agreed - I hope they included diesel-electric hybrids in their study. CA has shunned diesel for some time.