Off topic but Peak Oil is a myth, world oil reserves are huge, there is more oil in the earth than we could ever reasonably use during this period where technology dictates oil is our first choice for energy.I reckon as Peak Oil keeps driving fuel prices higher and higher in years to come there'll be massive demand for electric bikes, just on the basis of cost, never mind the environmental benefits.
It's just the case that we've taken a lot of the easy to access stuff out of the ground, have a look at the Oil Sands in Canada and Venezuela to get an idea of how much untapped oil is out there, it's just difficult to get out.
Look at how energy was used from the start of the Industrial Revolution and how changes in technology brought about new energy sources.
Animal, Water, Coal/Biomass, Steam, Oil, Nuclear.......Solar, Cold Fusion (in time), Fuel Cells and so on.
In 50 years we'll look back at oil romantically, thirty years ago the Saudi oil minister put it very plainly in what is one of the best energy quotes I've heard.
“The Stone Age did not end for lack of stone, and the Oil Age will end long before the world runs out of oil.”