Pedal power is gaining popularity in Europ in the form of more and more cities creating their own bike sharing programs.
For mayors looking to ease congestion and prove their environmental bona fides, bike-sharing has provided a simple solution: For the price of a bus, they get a fleet of bicycles, and they can avoid years [...]

Yes it is possible, FactCheck.org says so:
Can a freight train really move a ton of freight 436 miles on a gallon of fuel?
Yes.
Some rail lines do better. The Soo Line, which is the U.S. branch of the Canadian Pacific, operating in the upper Midwest, reported moving each ton of freight 517.8 miles per gallon of [...]

From The Economist:

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Bixi is the name of Montreal’s new bike-sharing program. If I had my way every city in the world would have a system like this. Way to go Montreal!
The city joins Paris, Barcelona, and Lyon with the installation of its own public bike system, named Bixi, making 2,400 bicycles available to the public at more [...]

Recently in Toronto over 2,000 stolen bikes were found, which is good news itself. Now, after the public has been given a chance to reclaim their bikes, community groups are championing the idea that the stolen bikes should be give to the poor. The bikes that have been stripped for their parts should be given [...]

Bicycles are perhaps the greatest invention human civilization has ever made. So great that having people use them makes the roads safer because car drivers actually start paying attention to what’s around their car.
“It appears that motorists adjust their behavior in the presence of increasing numbers of people bicycling because they expect or experience more [...]