Copenhagen freewheeling – where cycling is normal

For North Americans visiting a city in Northern Europe, it is often a surprise (and a welcome one) to see so many people using bicycles for everyday commuting and daily tasks. It helps to have good cycling infrastructure,which is something that this video illustrates: Copenhagen’s bike paths and routes, and the people from all “walks” of life using them.

What would happen to the water cycle if hydrogen-powered vehicles became ‘normal’?

Hydrogen powered vehicles might be fuelled by hydrogen derived from water (H20). The remaining oxygen would be a clean’ exhaust fume.

However, there is only a finite amount of water in the world – it is never created or lost, but exists in varying amounts of liquid, vapour and ice. If we started fuelling our vehicles with water, what would happen in the long term?

Why the government still allow normal petrol car to be sell? Why not just sell the electric car?

Since the global warming is getting more and more serious, and this is what the human being should do right? Stop using petrol if necessary and start to use electric! It is more clean and environmental friendly. I think we should stop buy petrol car but ELECTRIC CAR.

Will Eco-Friendly or “Green” cars ever be more powerful, and faster than “normal” non eco-friendly cars?

Basically, I want to know if petrol heads hate eco-friendly cars, or if they have the potential to be better than what we have currently, as well as fuel efficient